/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 06:43:23,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 06:43:23,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 06:43:23,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 06:43:23,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 06:43:23,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 06:43:23,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 06:43:23,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 06:43:23,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 06:43:23,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 06:43:23,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 06:43:23,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 06:43:23,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 06:43:23,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 06:43:23,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 06:43:23,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 06:43:23,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 06:43:23,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 06:43:23,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 06:43:23,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 06:43:23,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 06:43:23,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 06:43:23,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 06:43:23,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 06:43:23,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 06:43:23,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 06:43:23,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 06:43:23,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 06:43:23,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 06:43:23,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 06:43:23,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 06:43:23,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 06:43:23,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 06:43:23,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 06:43:23,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 06:43:23,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 06:43:23,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 06:43:23,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 06:43:23,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 06:43:23,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 06:43:23,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 06:43:23,803 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-NoLbe.epf [2021-03-11 06:43:23,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 06:43:23,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 06:43:23,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 06:43:23,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 06:43:23,844 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 06:43:23,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 06:43:23,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 06:43:23,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 06:43:23,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 06:43:23,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 06:43:23,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 06:43:23,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 06:43:23,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 06:43:23,846 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 06:43:23,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 06:43:23,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 06:43:23,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 06:43:23,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 06:43:23,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 06:43:23,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 06:43:23,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 06:43:23,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 06:43:23,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 06:43:23,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 06:43:23,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 06:43:23,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 06:43:23,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 06:43:23,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 06:43:23,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 06:43:23,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 06:43:24,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 06:43:24,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 06:43:24,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 06:43:24,162 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 06:43:24,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 06:43:24,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl [2021-03-11 06:43:24,164 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl' [2021-03-11 06:43:24,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 06:43:24,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 06:43:24,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 06:43:24,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 06:43:24,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 06:43:24,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 06:43:24,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 06:43:24,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 06:43:24,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 06:43:24,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/1) ... [2021-03-11 06:43:24,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 06:43:24,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 06:43:24,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 06:43:24,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 06:43:24,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (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 [2021-03-11 06:43:24,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-11 06:43:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-11 06:43:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-11 06:43:24,279 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-11 06:43:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-11 06:43:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-11 06:43:24,280 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-11 06:43:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 06:43:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 06:43:24,281 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 06:43:24,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 06:43:24,429 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 06:43:24,430 INFO L202 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 06:43:24 BoogieIcfgContainer [2021-03-11 06:43:24,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 06:43:24,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 06:43:24,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 06:43:24,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 06:43:24,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 06:43:24" (1/2) ... [2021-03-11 06:43:24,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48faccb7 and model type figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 06:43:24, skipping insertion in model container [2021-03-11 06:43:24,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 06:43:24" (2/2) ... [2021-03-11 06:43:24,436 INFO L111 eAbstractionObserver]: Analyzing ICFG figure1-alt.wvr.bpl [2021-03-11 06:43:24,440 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 06:43:24,443 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 06:43:24,444 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 06:43:24,482 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-11 06:43:24,505 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-11 06:43:24,526 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 06:43:24,527 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 06:43:24,527 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 06:43:24,527 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 06:43:24,527 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 06:43:24,527 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 06:43:24,527 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 06:43:24,527 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 06:43:24,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 23 transitions, 62 flow [2021-03-11 06:43:24,565 INFO L129 PetriNetUnfolder]: 2/21 cut-off events. [2021-03-11 06:43:24,567 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 06:43:24,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-03-11 06:43:24,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 23 transitions, 62 flow [2021-03-11 06:43:24,573 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 19 transitions, 50 flow [2021-03-11 06:43:24,580 INFO L129 PetriNetUnfolder]: 2/18 cut-off events. [2021-03-11 06:43:24,580 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 06:43:24,580 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:24,581 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:24,581 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:24,586 INFO L82 PathProgramCache]: Analyzing trace with hash -214903845, now seen corresponding path program 1 times [2021-03-11 06:43:24,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:24,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452425951] [2021-03-11 06:43:24,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:24,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:24,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:24,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:24,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:24,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:24,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:24,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:24,822 INFO L142 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size [2021-03-11 06:43:24,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:24,859 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-11 06:43:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:24,892 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 06:43:24,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:24,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:24,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452425951] [2021-03-11 06:43:24,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 06:43:24,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 06:43:24,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586605759] [2021-03-11 06:43:24,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 06:43:24,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:24,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 06:43:24,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 06:43:24,944 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:24,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 19 transitions, 50 flow. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:24,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:24,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:24,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:25,179 INFO L129 PetriNetUnfolder]: 21/71 cut-off events. [2021-03-11 06:43:25,179 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-11 06:43:25,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 71 events. 21/71 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 227 event pairs, 4 based on Foata normal form. 4/59 useless extension candidates. Maximal degree in co-relation 105. Up to 32 conditions per place. [2021-03-11 06:43:25,183 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 12 selfloop transitions, 8 changer transitions 1/28 dead transitions. [2021-03-11 06:43:25,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 110 flow [2021-03-11 06:43:25,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 06:43:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 06:43:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-03-11 06:43:25,195 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5458937198067633 [2021-03-11 06:43:25,196 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-03-11 06:43:25,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-03-11 06:43:25,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:25,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-03-11 06:43:25,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,214 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,216 INFO L185 Difference]: Start difference. First operand has 24 places, 19 transitions, 50 flow. Second operand 9 states and 113 transitions. [2021-03-11 06:43:25,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 110 flow [2021-03-11 06:43:25,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 28 transitions, 102 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 06:43:25,221 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 79 flow [2021-03-11 06:43:25,222 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=79, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-03-11 06:43:25,223 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 7 predicate places. [2021-03-11 06:43:25,223 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 79 flow [2021-03-11 06:43:25,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,223 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:25,224 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:25,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 06:43:25,224 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:25,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:25,226 INFO L82 PathProgramCache]: Analyzing trace with hash -199443049, now seen corresponding path program 2 times [2021-03-11 06:43:25,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:25,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734140820] [2021-03-11 06:43:25,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:25,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:25,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:25,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:25,325 INFO L142 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size [2021-03-11 06:43:25,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:25,353 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-11 06:43:25,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:25,373 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 06:43:25,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:25,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:25,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734140820] [2021-03-11 06:43:25,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 06:43:25,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 06:43:25,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462935545] [2021-03-11 06:43:25,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 06:43:25,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:25,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 06:43:25,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 06:43:25,396 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:25,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 79 flow. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:25,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:25,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:25,566 INFO L129 PetriNetUnfolder]: 21/66 cut-off events. [2021-03-11 06:43:25,566 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-11 06:43:25,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 66 events. 21/66 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 216 event pairs, 6 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 148. Up to 32 conditions per place. [2021-03-11 06:43:25,568 INFO L132 encePairwiseOnDemand]: 14/23 looper letters, 10 selfloop transitions, 7 changer transitions 3/27 dead transitions. [2021-03-11 06:43:25,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 27 transitions, 135 flow [2021-03-11 06:43:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 06:43:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 06:43:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2021-03-11 06:43:25,574 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5314009661835749 [2021-03-11 06:43:25,575 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 110 transitions. [2021-03-11 06:43:25,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 110 transitions. [2021-03-11 06:43:25,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:25,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 110 transitions. [2021-03-11 06:43:25,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 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) [2021-03-11 06:43:25,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,582 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,582 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 79 flow. Second operand 9 states and 110 transitions. [2021-03-11 06:43:25,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 27 transitions, 135 flow [2021-03-11 06:43:25,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 27 transitions, 125 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-11 06:43:25,586 INFO L241 Difference]: Finished difference. Result has 36 places, 22 transitions, 92 flow [2021-03-11 06:43:25,587 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=92, PETRI_PLACES=36, PETRI_TRANSITIONS=22} [2021-03-11 06:43:25,587 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 12 predicate places. [2021-03-11 06:43:25,588 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 22 transitions, 92 flow [2021-03-11 06:43:25,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:25,588 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:25,588 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:25,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 06:43:25,588 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:25,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:25,590 INFO L82 PathProgramCache]: Analyzing trace with hash 520606207, now seen corresponding path program 1 times [2021-03-11 06:43:25,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:25,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979179048] [2021-03-11 06:43:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:25,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:25,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:25,685 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:25,711 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:25,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:25,730 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:25,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:25,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979179048] [2021-03-11 06:43:25,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266938548] [2021-03-11 06:43:25,748 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 [2021-03-11 06:43:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:25,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 06:43:25,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:25,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:25,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:25,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:25,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:25,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:25,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:25,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:25,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:25,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:25,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:25,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:25,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:25,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:25,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:25,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:25,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:25,944 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:25,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:25,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:25,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:25,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:25,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:25,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:26,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,013 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:26,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:26,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:26,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,044 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:26,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:26,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:26,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:26,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,093 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:26,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:26,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:26,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:26,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:26,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:26,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-11 06:43:26,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29880152] [2021-03-11 06:43:26,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-11 06:43:26,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:26,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-11 06:43:26,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-03-11 06:43:26,111 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:26,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 22 transitions, 92 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:26,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:26,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:26,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:26,515 INFO L129 PetriNetUnfolder]: 30/122 cut-off events. [2021-03-11 06:43:26,516 INFO L130 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2021-03-11 06:43:26,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 122 events. 30/122 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 524 event pairs, 0 based on Foata normal form. 2/124 useless extension candidates. Maximal degree in co-relation 269. Up to 26 conditions per place. [2021-03-11 06:43:26,517 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 19 selfloop transitions, 27 changer transitions 2/55 dead transitions. [2021-03-11 06:43:26,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 314 flow [2021-03-11 06:43:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 06:43:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-11 06:43:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 229 transitions. [2021-03-11 06:43:26,520 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5531400966183575 [2021-03-11 06:43:26,520 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 229 transitions. [2021-03-11 06:43:26,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 229 transitions. [2021-03-11 06:43:26,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:26,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 229 transitions. [2021-03-11 06:43:26,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 12.722222222222221) internal successors, (229), 18 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) [2021-03-11 06:43:26,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 23.0) internal successors, (437), 19 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:26,523 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 23.0) internal successors, (437), 19 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:26,523 INFO L185 Difference]: Start difference. First operand has 36 places, 22 transitions, 92 flow. Second operand 18 states and 229 transitions. [2021-03-11 06:43:26,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 314 flow [2021-03-11 06:43:26,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 55 transitions, 270 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-03-11 06:43:26,526 INFO L241 Difference]: Finished difference. Result has 47 places, 43 transitions, 228 flow [2021-03-11 06:43:26,526 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=228, PETRI_PLACES=47, PETRI_TRANSITIONS=43} [2021-03-11 06:43:26,526 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 23 predicate places. [2021-03-11 06:43:26,526 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 43 transitions, 228 flow [2021-03-11 06:43:26,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:26,527 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:26,527 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:26,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-11 06:43:26,749 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:26,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1534039087, now seen corresponding path program 2 times [2021-03-11 06:43:26,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:26,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629168676] [2021-03-11 06:43:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:26,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:26,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:26,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:26,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:26,840 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:26,864 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:26,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,883 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:26,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:26,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629168676] [2021-03-11 06:43:26,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555820104] [2021-03-11 06:43:26,897 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 [2021-03-11 06:43:26,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:26,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:26,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 06:43:26,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:26,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:26,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:26,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:26,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:26,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:26,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:26,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:27,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:27,025 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:27,026 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:27,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:27,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:27,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:27,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:27,057 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:27,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:27,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,096 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:27,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:27,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,137 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:27,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:27,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-11 06:43:27,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368679447] [2021-03-11 06:43:27,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-11 06:43:27,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:27,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-11 06:43:27,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-03-11 06:43:27,154 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:27,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 43 transitions, 228 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:27,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:27,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:27,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:27,501 INFO L129 PetriNetUnfolder]: 30/109 cut-off events. [2021-03-11 06:43:27,501 INFO L130 PetriNetUnfolder]: For 111/113 co-relation queries the response was YES. [2021-03-11 06:43:27,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 109 events. 30/109 cut-off events. For 111/113 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 438 event pairs, 0 based on Foata normal form. 4/113 useless extension candidates. Maximal degree in co-relation 309. Up to 26 conditions per place. [2021-03-11 06:43:27,504 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 24 selfloop transitions, 24 changer transitions 2/57 dead transitions. [2021-03-11 06:43:27,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 57 transitions, 396 flow [2021-03-11 06:43:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 06:43:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 06:43:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 196 transitions. [2021-03-11 06:43:27,506 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5681159420289855 [2021-03-11 06:43:27,506 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 196 transitions. [2021-03-11 06:43:27,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 196 transitions. [2021-03-11 06:43:27,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:27,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 196 transitions. [2021-03-11 06:43:27,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:27,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:27,509 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:27,509 INFO L185 Difference]: Start difference. First operand has 47 places, 43 transitions, 228 flow. Second operand 15 states and 196 transitions. [2021-03-11 06:43:27,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 57 transitions, 396 flow [2021-03-11 06:43:27,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 57 transitions, 332 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-03-11 06:43:27,516 INFO L241 Difference]: Finished difference. Result has 54 places, 45 transitions, 252 flow [2021-03-11 06:43:27,517 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=252, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2021-03-11 06:43:27,517 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 30 predicate places. [2021-03-11 06:43:27,517 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 252 flow [2021-03-11 06:43:27,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:27,517 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:27,517 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:27,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:27,731 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:27,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:27,732 INFO L82 PathProgramCache]: Analyzing trace with hash -780510003, now seen corresponding path program 3 times [2021-03-11 06:43:27,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:27,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799317100] [2021-03-11 06:43:27,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:27,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:27,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:27,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:27,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:27,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:27,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:27,805 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:27,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,819 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:27,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799317100] [2021-03-11 06:43:27,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958104829] [2021-03-11 06:43:27,838 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 [2021-03-11 06:43:27,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-11 06:43:27,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:27,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 06:43:27,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:27,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:27,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:27,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:27,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:27,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,949 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:27,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:27,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:27,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:27,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:27,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:27,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:28,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:28,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:28,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:28,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:28,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:28,038 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:28,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:28,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,087 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:28,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:28,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:28,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:28,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-11 06:43:28,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539001954] [2021-03-11 06:43:28,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-11 06:43:28,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:28,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-11 06:43:28,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-03-11 06:43:28,099 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:28,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 252 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:28,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:28,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:28,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:28,399 INFO L129 PetriNetUnfolder]: 30/117 cut-off events. [2021-03-11 06:43:28,399 INFO L130 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2021-03-11 06:43:28,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 117 events. 30/117 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 485 event pairs, 1 based on Foata normal form. 2/119 useless extension candidates. Maximal degree in co-relation 311. Up to 26 conditions per place. [2021-03-11 06:43:28,400 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 22 selfloop transitions, 15 changer transitions 18/62 dead transitions. [2021-03-11 06:43:28,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 62 transitions, 477 flow [2021-03-11 06:43:28,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 06:43:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-11 06:43:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 197 transitions. [2021-03-11 06:43:28,403 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5353260869565217 [2021-03-11 06:43:28,403 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 197 transitions. [2021-03-11 06:43:28,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 197 transitions. [2021-03-11 06:43:28,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:28,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 197 transitions. [2021-03-11 06:43:28,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 12.3125) internal successors, (197), 16 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) [2021-03-11 06:43:28,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 23.0) internal successors, (391), 17 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:28,405 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 23.0) internal successors, (391), 17 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:28,405 INFO L185 Difference]: Start difference. First operand has 54 places, 45 transitions, 252 flow. Second operand 16 states and 197 transitions. [2021-03-11 06:43:28,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 62 transitions, 477 flow [2021-03-11 06:43:28,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 62 transitions, 406 flow, removed 17 selfloop flow, removed 8 redundant places. [2021-03-11 06:43:28,408 INFO L241 Difference]: Finished difference. Result has 67 places, 39 transitions, 236 flow [2021-03-11 06:43:28,409 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=236, PETRI_PLACES=67, PETRI_TRANSITIONS=39} [2021-03-11 06:43:28,409 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 43 predicate places. [2021-03-11 06:43:28,409 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 39 transitions, 236 flow [2021-03-11 06:43:28,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:28,409 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:28,409 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:28,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:28,625 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:28,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:28,625 INFO L82 PathProgramCache]: Analyzing trace with hash 179667009, now seen corresponding path program 4 times [2021-03-11 06:43:28,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:28,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018351048] [2021-03-11 06:43:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:28,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:28,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:28,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:28,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:28,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:28,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:28,725 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:28,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,737 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:28,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:28,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018351048] [2021-03-11 06:43:28,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227022340] [2021-03-11 06:43:28,764 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:28,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 06:43:28,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:28,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 06:43:28,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:28,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:28,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:28,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:28,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:28,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,894 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:28,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:28,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:28,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:28,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:28,922 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:28,922 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:28,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:28,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:28,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:28,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:28,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:28,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:28,991 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:28,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:28,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:28,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:28,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:28,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:28,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:28,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-11 06:43:28,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005141444] [2021-03-11 06:43:28,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-11 06:43:28,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:28,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-11 06:43:28,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-03-11 06:43:29,000 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:29,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 39 transitions, 236 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:29,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:29,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:29,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:29,219 INFO L129 PetriNetUnfolder]: 25/86 cut-off events. [2021-03-11 06:43:29,219 INFO L130 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2021-03-11 06:43:29,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 86 events. 25/86 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 296 event pairs, 0 based on Foata normal form. 2/88 useless extension candidates. Maximal degree in co-relation 268. Up to 26 conditions per place. [2021-03-11 06:43:29,220 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 14 selfloop transitions, 16 changer transitions 8/45 dead transitions. [2021-03-11 06:43:29,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 45 transitions, 338 flow [2021-03-11 06:43:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 06:43:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 06:43:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 181 transitions. [2021-03-11 06:43:29,222 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5246376811594203 [2021-03-11 06:43:29,222 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 181 transitions. [2021-03-11 06:43:29,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 181 transitions. [2021-03-11 06:43:29,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:29,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 181 transitions. [2021-03-11 06:43:29,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:29,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:29,223 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:29,223 INFO L185 Difference]: Start difference. First operand has 67 places, 39 transitions, 236 flow. Second operand 15 states and 181 transitions. [2021-03-11 06:43:29,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 45 transitions, 338 flow [2021-03-11 06:43:29,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 252 flow, removed 20 selfloop flow, removed 22 redundant places. [2021-03-11 06:43:29,226 INFO L241 Difference]: Finished difference. Result has 54 places, 33 transitions, 168 flow [2021-03-11 06:43:29,226 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=168, PETRI_PLACES=54, PETRI_TRANSITIONS=33} [2021-03-11 06:43:29,226 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 30 predicate places. [2021-03-11 06:43:29,226 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 33 transitions, 168 flow [2021-03-11 06:43:29,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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) [2021-03-11 06:43:29,227 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:29,227 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:29,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:29,447 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:29,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:29,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1300850733, now seen corresponding path program 1 times [2021-03-11 06:43:29,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:29,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441288879] [2021-03-11 06:43:29,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:29,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:29,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:29,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:29,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:29,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:29,545 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:29,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,559 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:29,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441288879] [2021-03-11 06:43:29,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302073931] [2021-03-11 06:43:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-11 06:43:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:29,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:29,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:29,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:29,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:29,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:29,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:29,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:29,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:29,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:29,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:29,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:29,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:29,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:29,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:29,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:29,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:29,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:29,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:29,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:29,717 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:29,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:29,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:29,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,746 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:29,747 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:29,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,769 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:29,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:29,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:29,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:29,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:29,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:29,813 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:29,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:29,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:29,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:29,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:29,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:29,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:29,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:29,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:29,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:29,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885485894] [2021-03-11 06:43:29,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:29,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:29,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:29,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:29,827 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:29,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 33 transitions, 168 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:29,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:29,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:29,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:30,149 INFO L129 PetriNetUnfolder]: 35/116 cut-off events. [2021-03-11 06:43:30,149 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-03-11 06:43:30,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 116 events. 35/116 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 442 event pairs, 5 based on Foata normal form. 3/118 useless extension candidates. Maximal degree in co-relation 310. Up to 50 conditions per place. [2021-03-11 06:43:30,153 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 29 selfloop transitions, 13 changer transitions 9/58 dead transitions. [2021-03-11 06:43:30,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 390 flow [2021-03-11 06:43:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 06:43:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 06:43:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 191 transitions. [2021-03-11 06:43:30,155 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.553623188405797 [2021-03-11 06:43:30,155 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 191 transitions. [2021-03-11 06:43:30,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 191 transitions. [2021-03-11 06:43:30,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:30,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 191 transitions. [2021-03-11 06:43:30,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:30,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:30,157 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:30,157 INFO L185 Difference]: Start difference. First operand has 54 places, 33 transitions, 168 flow. Second operand 15 states and 191 transitions. [2021-03-11 06:43:30,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 390 flow [2021-03-11 06:43:30,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 310 flow, removed 10 selfloop flow, removed 14 redundant places. [2021-03-11 06:43:30,159 INFO L241 Difference]: Finished difference. Result has 54 places, 42 transitions, 224 flow [2021-03-11 06:43:30,160 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=224, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2021-03-11 06:43:30,160 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 30 predicate places. [2021-03-11 06:43:30,160 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 224 flow [2021-03-11 06:43:30,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:30,160 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:30,160 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:30,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-11 06:43:30,379 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:30,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:30,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1184141727, now seen corresponding path program 2 times [2021-03-11 06:43:30,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:30,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202556287] [2021-03-11 06:43:30,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:30,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:30,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:30,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:30,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:30,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:30,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:30,476 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:30,490 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:30,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202556287] [2021-03-11 06:43:30,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748599903] [2021-03-11 06:43:30,506 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 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 [2021-03-11 06:43:30,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:30,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:30,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-11 06:43:30,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:30,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:30,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:30,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:30,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:30,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:30,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:30,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:30,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:30,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:30,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 06:43:30,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:30,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 06:43:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:30,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:30,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,661 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:30,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:30,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:30,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,712 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 06:43:30,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:30,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:30,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:30,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:30,755 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-11 06:43:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 06:43:30,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:30,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 06:43:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 06:43:30,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:30,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:30,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:30,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:30,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032958264] [2021-03-11 06:43:30,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:30,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:30,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:30,767 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:30,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 224 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:30,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:30,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:30,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:31,192 INFO L129 PetriNetUnfolder]: 47/168 cut-off events. [2021-03-11 06:43:31,192 INFO L130 PetriNetUnfolder]: For 171/171 co-relation queries the response was YES. [2021-03-11 06:43:31,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 168 events. 47/168 cut-off events. For 171/171 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 773 event pairs, 1 based on Foata normal form. 3/169 useless extension candidates. Maximal degree in co-relation 502. Up to 57 conditions per place. [2021-03-11 06:43:31,194 INFO L132 encePairwiseOnDemand]: 11/23 looper letters, 28 selfloop transitions, 26 changer transitions 9/70 dead transitions. [2021-03-11 06:43:31,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 70 transitions, 520 flow [2021-03-11 06:43:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 06:43:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 06:43:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 242 transitions. [2021-03-11 06:43:31,196 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5537757437070938 [2021-03-11 06:43:31,196 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 242 transitions. [2021-03-11 06:43:31,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 242 transitions. [2021-03-11 06:43:31,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:31,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 242 transitions. [2021-03-11 06:43:31,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 12.736842105263158) internal successors, (242), 19 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) [2021-03-11 06:43:31,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 23.0) internal successors, (460), 20 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:31,199 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 23.0) internal successors, (460), 20 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:31,199 INFO L185 Difference]: Start difference. First operand has 54 places, 42 transitions, 224 flow. Second operand 19 states and 242 transitions. [2021-03-11 06:43:31,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 70 transitions, 520 flow [2021-03-11 06:43:31,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 70 transitions, 454 flow, removed 28 selfloop flow, removed 8 redundant places. [2021-03-11 06:43:31,202 INFO L241 Difference]: Finished difference. Result has 69 places, 50 transitions, 355 flow [2021-03-11 06:43:31,203 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=355, PETRI_PLACES=69, PETRI_TRANSITIONS=50} [2021-03-11 06:43:31,203 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 45 predicate places. [2021-03-11 06:43:31,203 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 50 transitions, 355 flow [2021-03-11 06:43:31,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:31,203 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:31,203 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:31,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:31,407 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:31,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1960496561, now seen corresponding path program 3 times [2021-03-11 06:43:31,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:31,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863856820] [2021-03-11 06:43:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:31,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:31,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:31,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:31,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:31,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:31,497 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:31,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:31,516 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:31,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863856820] [2021-03-11 06:43:31,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795762685] [2021-03-11 06:43:31,530 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 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 [2021-03-11 06:43:31,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-11 06:43:31,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:31,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:31,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:31,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:31,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:31,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:31,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:31,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:31,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:31,624 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-11 06:43:31,625 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-11 06:43:31,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:31,651 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-11 06:43:31,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:31,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:31,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:31,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:31,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,704 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:31,705 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:31,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,736 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:31,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:31,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:31,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:31,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:31,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:31,767 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:31,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:31,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:31,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:31,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:31,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:31,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214187727] [2021-03-11 06:43:31,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:31,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:31,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:31,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:31,777 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:31,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 50 transitions, 355 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:31,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:31,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:31,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:32,013 INFO L129 PetriNetUnfolder]: 43/151 cut-off events. [2021-03-11 06:43:32,013 INFO L130 PetriNetUnfolder]: For 317/323 co-relation queries the response was YES. [2021-03-11 06:43:32,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 151 events. 43/151 cut-off events. For 317/323 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 653 event pairs, 1 based on Foata normal form. 4/153 useless extension candidates. Maximal degree in co-relation 553. Up to 51 conditions per place. [2021-03-11 06:43:32,015 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 25 selfloop transitions, 22 changer transitions 7/61 dead transitions. [2021-03-11 06:43:32,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 61 transitions, 547 flow [2021-03-11 06:43:32,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 06:43:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 06:43:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 186 transitions. [2021-03-11 06:43:32,018 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5391304347826087 [2021-03-11 06:43:32,018 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 186 transitions. [2021-03-11 06:43:32,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 186 transitions. [2021-03-11 06:43:32,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:32,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 186 transitions. [2021-03-11 06:43:32,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.4) internal successors, (186), 15 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:32,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:32,020 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:32,020 INFO L185 Difference]: Start difference. First operand has 69 places, 50 transitions, 355 flow. Second operand 15 states and 186 transitions. [2021-03-11 06:43:32,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 61 transitions, 547 flow [2021-03-11 06:43:32,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 61 transitions, 480 flow, removed 22 selfloop flow, removed 11 redundant places. [2021-03-11 06:43:32,024 INFO L241 Difference]: Finished difference. Result has 71 places, 48 transitions, 352 flow [2021-03-11 06:43:32,024 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=352, PETRI_PLACES=71, PETRI_TRANSITIONS=48} [2021-03-11 06:43:32,024 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 47 predicate places. [2021-03-11 06:43:32,024 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 48 transitions, 352 flow [2021-03-11 06:43:32,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:32,025 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:32,025 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:32,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:32,239 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:32,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:32,239 INFO L82 PathProgramCache]: Analyzing trace with hash -261053759, now seen corresponding path program 4 times [2021-03-11 06:43:32,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:32,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895237583] [2021-03-11 06:43:32,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:32,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:32,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:32,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:32,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:32,306 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:32,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:32,324 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:32,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:32,338 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:32,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:32,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895237583] [2021-03-11 06:43:32,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802618559] [2021-03-11 06:43:32,352 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 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 [2021-03-11 06:43:32,374 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 06:43:32,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:32,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:32,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:32,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:32,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:32,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:32,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:32,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:32,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:32,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:32,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:32,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:32,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:32,446 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-11 06:43:32,446 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-11 06:43:32,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:32,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:32,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:32,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:32,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:32,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:32,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,501 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:32,501 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:32,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,519 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:32,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,551 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:32,593 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:32,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:32,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:32,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:32,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:32,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794368094] [2021-03-11 06:43:32,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:32,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:32,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:32,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:32,609 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:32,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 48 transitions, 352 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:32,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:32,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:32,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:33,010 INFO L129 PetriNetUnfolder]: 41/149 cut-off events. [2021-03-11 06:43:33,010 INFO L130 PetriNetUnfolder]: For 395/395 co-relation queries the response was YES. [2021-03-11 06:43:33,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 149 events. 41/149 cut-off events. For 395/395 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 638 event pairs, 1 based on Foata normal form. 4/151 useless extension candidates. Maximal degree in co-relation 543. Up to 51 conditions per place. [2021-03-11 06:43:33,012 INFO L132 encePairwiseOnDemand]: 11/23 looper letters, 32 selfloop transitions, 29 changer transitions 3/71 dead transitions. [2021-03-11 06:43:33,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 71 transitions, 645 flow [2021-03-11 06:43:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 06:43:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 06:43:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 246 transitions. [2021-03-11 06:43:33,013 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.562929061784897 [2021-03-11 06:43:33,013 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 246 transitions. [2021-03-11 06:43:33,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 246 transitions. [2021-03-11 06:43:33,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:33,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 246 transitions. [2021-03-11 06:43:33,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 12.947368421052632) internal successors, (246), 19 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:33,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 23.0) internal successors, (460), 20 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:33,015 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 23.0) internal successors, (460), 20 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:33,015 INFO L185 Difference]: Start difference. First operand has 71 places, 48 transitions, 352 flow. Second operand 19 states and 246 transitions. [2021-03-11 06:43:33,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 71 transitions, 645 flow [2021-03-11 06:43:33,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 71 transitions, 566 flow, removed 12 selfloop flow, removed 12 redundant places. [2021-03-11 06:43:33,019 INFO L241 Difference]: Finished difference. Result has 78 places, 54 transitions, 426 flow [2021-03-11 06:43:33,020 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=426, PETRI_PLACES=78, PETRI_TRANSITIONS=54} [2021-03-11 06:43:33,020 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 54 predicate places. [2021-03-11 06:43:33,020 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 54 transitions, 426 flow [2021-03-11 06:43:33,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:33,020 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:33,020 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:33,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-11 06:43:33,241 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:33,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:33,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1615194207, now seen corresponding path program 5 times [2021-03-11 06:43:33,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:33,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505939774] [2021-03-11 06:43:33,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:33,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:33,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:33,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:33,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:33,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:33,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:33,299 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:33,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:33,315 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:33,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,330 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:33,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505939774] [2021-03-11 06:43:33,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619434271] [2021-03-11 06:43:33,343 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 [2021-03-11 06:43:33,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:33,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:33,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:33,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:33,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:33,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:33,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:33,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:33,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:33,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:33,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:33,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:33,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:33,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:33,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:33,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:33,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:33,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:33,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:33,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:33,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,507 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:33,508 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:33,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,525 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:33,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:33,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:33,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,549 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:33,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:33,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:33,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:33,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:33,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:33,580 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:33,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:33,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:33,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:33,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:33,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:33,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:33,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262718016] [2021-03-11 06:43:33,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:33,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:33,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:33,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:33,587 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:33,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 54 transitions, 426 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:33,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:33,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:33,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:33,711 INFO L129 PetriNetUnfolder]: 47/165 cut-off events. [2021-03-11 06:43:33,711 INFO L130 PetriNetUnfolder]: For 430/430 co-relation queries the response was YES. [2021-03-11 06:43:33,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 165 events. 47/165 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 756 event pairs, 2 based on Foata normal form. 1/164 useless extension candidates. Maximal degree in co-relation 647. Up to 97 conditions per place. [2021-03-11 06:43:33,713 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 42 selfloop transitions, 14 changer transitions 2/65 dead transitions. [2021-03-11 06:43:33,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 65 transitions, 639 flow [2021-03-11 06:43:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 06:43:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 06:43:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 137 transitions. [2021-03-11 06:43:33,714 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.541501976284585 [2021-03-11 06:43:33,714 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 137 transitions. [2021-03-11 06:43:33,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 137 transitions. [2021-03-11 06:43:33,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:33,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 137 transitions. [2021-03-11 06:43:33,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 11 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) [2021-03-11 06:43:33,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 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) [2021-03-11 06:43:33,715 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 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) [2021-03-11 06:43:33,715 INFO L185 Difference]: Start difference. First operand has 78 places, 54 transitions, 426 flow. Second operand 11 states and 137 transitions. [2021-03-11 06:43:33,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 65 transitions, 639 flow [2021-03-11 06:43:33,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 65 transitions, 581 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-11 06:43:33,720 INFO L241 Difference]: Finished difference. Result has 77 places, 59 transitions, 471 flow [2021-03-11 06:43:33,720 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=471, PETRI_PLACES=77, PETRI_TRANSITIONS=59} [2021-03-11 06:43:33,721 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 53 predicate places. [2021-03-11 06:43:33,721 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 59 transitions, 471 flow [2021-03-11 06:43:33,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:33,721 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:33,721 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:33,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:33,935 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:33,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:33,936 INFO L82 PathProgramCache]: Analyzing trace with hash 719040791, now seen corresponding path program 6 times [2021-03-11 06:43:33,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:33,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725141712] [2021-03-11 06:43:33,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:33,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:33,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:33,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:33,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:33,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:33,992 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:33,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:34,006 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:34,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:34,018 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:34,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:34,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725141712] [2021-03-11 06:43:34,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152838446] [2021-03-11 06:43:34,029 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 [2021-03-11 06:43:34,045 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 06:43:34,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:34,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:34,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:34,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:34,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:34,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:34,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:34,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:34,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:34,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:34,101 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-11 06:43:34,102 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-11 06:43:34,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:34,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:34,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:34,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:34,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,145 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:34,145 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,163 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:34,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:34,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:34,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:34,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:34,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:34,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:34,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032203622] [2021-03-11 06:43:34,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:34,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:34,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:34,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:34,228 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:34,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 59 transitions, 471 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:34,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:34,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:34,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:34,657 INFO L129 PetriNetUnfolder]: 47/152 cut-off events. [2021-03-11 06:43:34,657 INFO L130 PetriNetUnfolder]: For 428/428 co-relation queries the response was YES. [2021-03-11 06:43:34,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 152 events. 47/152 cut-off events. For 428/428 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 643 event pairs, 1 based on Foata normal form. 2/152 useless extension candidates. Maximal degree in co-relation 623. Up to 61 conditions per place. [2021-03-11 06:43:34,662 INFO L132 encePairwiseOnDemand]: 11/23 looper letters, 28 selfloop transitions, 32 changer transitions 5/72 dead transitions. [2021-03-11 06:43:34,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 72 transitions, 697 flow [2021-03-11 06:43:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 06:43:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 06:43:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 239 transitions. [2021-03-11 06:43:34,665 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5469107551487414 [2021-03-11 06:43:34,665 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 239 transitions. [2021-03-11 06:43:34,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 239 transitions. [2021-03-11 06:43:34,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:34,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 239 transitions. [2021-03-11 06:43:34,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 12.578947368421053) internal successors, (239), 19 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:34,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 23.0) internal successors, (460), 20 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:34,667 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 23.0) internal successors, (460), 20 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:34,667 INFO L185 Difference]: Start difference. First operand has 77 places, 59 transitions, 471 flow. Second operand 19 states and 239 transitions. [2021-03-11 06:43:34,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 72 transitions, 697 flow [2021-03-11 06:43:34,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 72 transitions, 667 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-11 06:43:34,672 INFO L241 Difference]: Finished difference. Result has 89 places, 57 transitions, 489 flow [2021-03-11 06:43:34,672 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=489, PETRI_PLACES=89, PETRI_TRANSITIONS=57} [2021-03-11 06:43:34,672 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 65 predicate places. [2021-03-11 06:43:34,672 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 57 transitions, 489 flow [2021-03-11 06:43:34,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:34,672 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:34,672 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:34,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:34,894 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:34,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:34,894 INFO L82 PathProgramCache]: Analyzing trace with hash 729395927, now seen corresponding path program 7 times [2021-03-11 06:43:34,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:34,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682916726] [2021-03-11 06:43:34,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:34,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:34,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:34,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:34,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:34,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:34,957 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:34,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:34,972 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:34,986 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:34,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:34,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:34,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682916726] [2021-03-11 06:43:34,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647471587] [2021-03-11 06:43:34,998 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 [2021-03-11 06:43:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:35,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:35,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:35,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:35,126 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:35,127 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:35,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,152 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:35,153 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,170 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:35,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:35,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:35,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,218 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:35,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:35,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:35,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:35,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:35,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148532599] [2021-03-11 06:43:35,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:35,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:35,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:35,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:35,226 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:35,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 57 transitions, 489 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:35,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:35,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:35,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:35,368 INFO L129 PetriNetUnfolder]: 38/117 cut-off events. [2021-03-11 06:43:35,368 INFO L130 PetriNetUnfolder]: For 352/358 co-relation queries the response was YES. [2021-03-11 06:43:35,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 117 events. 38/117 cut-off events. For 352/358 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 415 event pairs, 2 based on Foata normal form. 3/118 useless extension candidates. Maximal degree in co-relation 511. Up to 70 conditions per place. [2021-03-11 06:43:35,369 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 35 selfloop transitions, 15 changer transitions 1/58 dead transitions. [2021-03-11 06:43:35,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 58 transitions, 573 flow [2021-03-11 06:43:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 06:43:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 06:43:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 140 transitions. [2021-03-11 06:43:35,370 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5533596837944664 [2021-03-11 06:43:35,370 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 140 transitions. [2021-03-11 06:43:35,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 140 transitions. [2021-03-11 06:43:35,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:35,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 140 transitions. [2021-03-11 06:43:35,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 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) [2021-03-11 06:43:35,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 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) [2021-03-11 06:43:35,372 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 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) [2021-03-11 06:43:35,372 INFO L185 Difference]: Start difference. First operand has 89 places, 57 transitions, 489 flow. Second operand 11 states and 140 transitions. [2021-03-11 06:43:35,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 58 transitions, 573 flow [2021-03-11 06:43:35,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 58 transitions, 477 flow, removed 12 selfloop flow, removed 21 redundant places. [2021-03-11 06:43:35,375 INFO L241 Difference]: Finished difference. Result has 72 places, 53 transitions, 388 flow [2021-03-11 06:43:35,376 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=388, PETRI_PLACES=72, PETRI_TRANSITIONS=53} [2021-03-11 06:43:35,376 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 48 predicate places. [2021-03-11 06:43:35,376 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 53 transitions, 388 flow [2021-03-11 06:43:35,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:35,376 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:35,376 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:35,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-11 06:43:35,584 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:35,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:35,584 INFO L82 PathProgramCache]: Analyzing trace with hash -250698623, now seen corresponding path program 8 times [2021-03-11 06:43:35,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:35,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127214916] [2021-03-11 06:43:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:35,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:35,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:35,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:35,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:35,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:35,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:35,637 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:35,651 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:35,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,666 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:35,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:35,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127214916] [2021-03-11 06:43:35,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868824766] [2021-03-11 06:43:35,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-11 06:43:35,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:35,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:35,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 06:43:35,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:35,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:35,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:35,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:35,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:35,790 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:35,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:35,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:35,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,817 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:35,817 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,837 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:35,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,859 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:35,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:35,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:35,888 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:35,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:35,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:35,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 06:43:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:35,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:35,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:35,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:35,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:35,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-11 06:43:35,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083665724] [2021-03-11 06:43:35,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 06:43:35,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:35,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 06:43:35,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-03-11 06:43:35,896 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:35,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 53 transitions, 388 flow. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:35,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:35,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:35,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:36,047 INFO L129 PetriNetUnfolder]: 38/112 cut-off events. [2021-03-11 06:43:36,047 INFO L130 PetriNetUnfolder]: For 225/231 co-relation queries the response was YES. [2021-03-11 06:43:36,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 112 events. 38/112 cut-off events. For 225/231 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 390 event pairs, 2 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 451. Up to 70 conditions per place. [2021-03-11 06:43:36,048 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 34 selfloop transitions, 16 changer transitions 2/59 dead transitions. [2021-03-11 06:43:36,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 59 transitions, 534 flow [2021-03-11 06:43:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 06:43:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 06:43:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 140 transitions. [2021-03-11 06:43:36,049 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5533596837944664 [2021-03-11 06:43:36,049 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 140 transitions. [2021-03-11 06:43:36,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 140 transitions. [2021-03-11 06:43:36,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:36,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 140 transitions. [2021-03-11 06:43:36,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 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) [2021-03-11 06:43:36,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 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) [2021-03-11 06:43:36,051 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 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) [2021-03-11 06:43:36,052 INFO L185 Difference]: Start difference. First operand has 72 places, 53 transitions, 388 flow. Second operand 11 states and 140 transitions. [2021-03-11 06:43:36,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 59 transitions, 534 flow [2021-03-11 06:43:36,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 59 transitions, 500 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-03-11 06:43:36,057 INFO L241 Difference]: Finished difference. Result has 74 places, 54 transitions, 403 flow [2021-03-11 06:43:36,057 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=403, PETRI_PLACES=74, PETRI_TRANSITIONS=54} [2021-03-11 06:43:36,057 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 50 predicate places. [2021-03-11 06:43:36,057 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 54 transitions, 403 flow [2021-03-11 06:43:36,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 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) [2021-03-11 06:43:36,057 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:36,058 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:36,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-11 06:43:36,270 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:36,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:36,271 INFO L82 PathProgramCache]: Analyzing trace with hash -2075251281, now seen corresponding path program 9 times [2021-03-11 06:43:36,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:36,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81395193] [2021-03-11 06:43:36,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:36,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:36,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:36,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 06:43:36,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,350 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,362 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:43:36,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81395193] [2021-03-11 06:43:36,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345453113] [2021-03-11 06:43:36,373 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 [2021-03-11 06:43:36,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 06:43:36,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:36,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:36,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:36,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:36,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:36,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:36,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:36,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:36,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:36,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:36,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:36,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:36,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:36,487 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:36,488 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:36,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:36,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:36,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:36,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:36,525 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:36,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:36,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:36,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:36,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,567 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:36,568 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:36,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,588 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:36,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:36,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:36,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:36,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:36,617 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:36,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:36,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:36,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:36,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:36,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:36,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312828812] [2021-03-11 06:43:36,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:36,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:36,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:36,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:36,625 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:36,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 54 transitions, 403 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:36,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:36,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:36,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:37,249 INFO L129 PetriNetUnfolder]: 48/145 cut-off events. [2021-03-11 06:43:37,249 INFO L130 PetriNetUnfolder]: For 280/286 co-relation queries the response was YES. [2021-03-11 06:43:37,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 145 events. 48/145 cut-off events. For 280/286 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 563 event pairs, 0 based on Foata normal form. 4/145 useless extension candidates. Maximal degree in co-relation 584. Up to 65 conditions per place. [2021-03-11 06:43:37,250 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 18 selfloop transitions, 66 changer transitions 2/93 dead transitions. [2021-03-11 06:43:37,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 93 transitions, 851 flow [2021-03-11 06:43:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 06:43:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 06:43:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 363 transitions. [2021-03-11 06:43:37,252 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5260869565217391 [2021-03-11 06:43:37,252 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 363 transitions. [2021-03-11 06:43:37,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 363 transitions. [2021-03-11 06:43:37,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:37,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 363 transitions. [2021-03-11 06:43:37,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 12.1) internal successors, (363), 30 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:37,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 23.0) internal successors, (713), 31 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:37,254 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 23.0) internal successors, (713), 31 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:37,254 INFO L185 Difference]: Start difference. First operand has 74 places, 54 transitions, 403 flow. Second operand 30 states and 363 transitions. [2021-03-11 06:43:37,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 93 transitions, 851 flow [2021-03-11 06:43:37,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 93 transitions, 797 flow, removed 11 selfloop flow, removed 11 redundant places. [2021-03-11 06:43:37,258 INFO L241 Difference]: Finished difference. Result has 95 places, 88 transitions, 781 flow [2021-03-11 06:43:37,258 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=781, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2021-03-11 06:43:37,259 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 71 predicate places. [2021-03-11 06:43:37,259 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 781 flow [2021-03-11 06:43:37,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:37,259 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:37,259 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:37,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-11 06:43:37,460 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:37,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:37,460 INFO L82 PathProgramCache]: Analyzing trace with hash 24378347, now seen corresponding path program 10 times [2021-03-11 06:43:37,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:37,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314858986] [2021-03-11 06:43:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:37,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:37,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:37,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:37,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:37,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 06:43:37,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,529 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,544 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:37,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:37,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314858986] [2021-03-11 06:43:37,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337928702] [2021-03-11 06:43:37,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-11 06:43:37,579 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 06:43:37,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:37,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:37,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:37,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:37,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:37,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:37,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:37,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:37,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:37,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:37,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:37,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:37,737 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:37,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:37,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:37,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,762 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:37,762 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:37,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,785 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:37,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:37,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:37,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:37,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:37,821 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:37,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:37,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:37,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:37,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:37,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:37,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:37,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:37,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598200019] [2021-03-11 06:43:37,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:37,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:37,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:37,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:37,828 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:37,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 781 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:37,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:37,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:37,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:38,388 INFO L129 PetriNetUnfolder]: 64/196 cut-off events. [2021-03-11 06:43:38,389 INFO L130 PetriNetUnfolder]: For 443/449 co-relation queries the response was YES. [2021-03-11 06:43:38,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 196 events. 64/196 cut-off events. For 443/449 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 902 event pairs, 1 based on Foata normal form. 2/190 useless extension candidates. Maximal degree in co-relation 917. Up to 88 conditions per place. [2021-03-11 06:43:38,391 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 30 selfloop transitions, 101 changer transitions 2/140 dead transitions. [2021-03-11 06:43:38,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 140 transitions, 1484 flow [2021-03-11 06:43:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 06:43:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 06:43:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 365 transitions. [2021-03-11 06:43:38,401 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5289855072463768 [2021-03-11 06:43:38,402 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 365 transitions. [2021-03-11 06:43:38,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 365 transitions. [2021-03-11 06:43:38,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:38,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 365 transitions. [2021-03-11 06:43:38,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 12.166666666666666) internal successors, (365), 30 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:38,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 23.0) internal successors, (713), 31 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:38,404 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 23.0) internal successors, (713), 31 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:38,404 INFO L185 Difference]: Start difference. First operand has 95 places, 88 transitions, 781 flow. Second operand 30 states and 365 transitions. [2021-03-11 06:43:38,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 140 transitions, 1484 flow [2021-03-11 06:43:38,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 140 transitions, 1223 flow, removed 70 selfloop flow, removed 14 redundant places. [2021-03-11 06:43:38,412 INFO L241 Difference]: Finished difference. Result has 117 places, 136 transitions, 1220 flow [2021-03-11 06:43:38,412 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1220, PETRI_PLACES=117, PETRI_TRANSITIONS=136} [2021-03-11 06:43:38,412 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 93 predicate places. [2021-03-11 06:43:38,412 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 136 transitions, 1220 flow [2021-03-11 06:43:38,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:38,413 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:38,413 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:38,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:38,627 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:38,627 INFO L82 PathProgramCache]: Analyzing trace with hash 709372091, now seen corresponding path program 11 times [2021-03-11 06:43:38,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:38,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733950898] [2021-03-11 06:43:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:38,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:38,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:38,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:38,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:38,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:38,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:38,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:38,701 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:38,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,714 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:38,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:38,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733950898] [2021-03-11 06:43:38,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57265301] [2021-03-11 06:43:38,726 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 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 [2021-03-11 06:43:38,740 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-11 06:43:38,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:38,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:43:38,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:38,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:38,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:38,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:38,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:38,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:38,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:38,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:38,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:38,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:38,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:38,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:38,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:38,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:38,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:38,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:38,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:38,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:38,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:38,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,871 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-11 06:43:38,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 06:43:38,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:38,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:38,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:38,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,938 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:38,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:38,969 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:43:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:38,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:38,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:38,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480449978] [2021-03-11 06:43:38,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:38,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:38,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:38,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:38,976 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:38,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 136 transitions, 1220 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:38,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:38,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:38,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:39,711 INFO L129 PetriNetUnfolder]: 127/410 cut-off events. [2021-03-11 06:43:39,711 INFO L130 PetriNetUnfolder]: For 1273/1279 co-relation queries the response was YES. [2021-03-11 06:43:39,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2073 conditions, 410 events. 127/410 cut-off events. For 1273/1279 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2502 event pairs, 8 based on Foata normal form. 14/422 useless extension candidates. Maximal degree in co-relation 2041. Up to 152 conditions per place. [2021-03-11 06:43:39,715 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 129 selfloop transitions, 117 changer transitions 14/267 dead transitions. [2021-03-11 06:43:39,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 267 transitions, 3119 flow [2021-03-11 06:43:39,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-11 06:43:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-11 06:43:39,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 452 transitions. [2021-03-11 06:43:39,718 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5614906832298137 [2021-03-11 06:43:39,718 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 452 transitions. [2021-03-11 06:43:39,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 452 transitions. [2021-03-11 06:43:39,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:39,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 452 transitions. [2021-03-11 06:43:39,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 12.914285714285715) internal successors, (452), 35 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:39,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 23.0) internal successors, (828), 36 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) [2021-03-11 06:43:39,721 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 23.0) internal successors, (828), 36 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) [2021-03-11 06:43:39,722 INFO L185 Difference]: Start difference. First operand has 117 places, 136 transitions, 1220 flow. Second operand 35 states and 452 transitions. [2021-03-11 06:43:39,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 267 transitions, 3119 flow [2021-03-11 06:43:39,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 267 transitions, 2809 flow, removed 90 selfloop flow, removed 11 redundant places. [2021-03-11 06:43:39,739 INFO L241 Difference]: Finished difference. Result has 153 places, 222 transitions, 2368 flow [2021-03-11 06:43:39,739 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=2368, PETRI_PLACES=153, PETRI_TRANSITIONS=222} [2021-03-11 06:43:39,739 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 129 predicate places. [2021-03-11 06:43:39,739 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 222 transitions, 2368 flow [2021-03-11 06:43:39,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:39,739 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:39,739 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:39,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-11 06:43:39,962 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:39,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:39,962 INFO L82 PathProgramCache]: Analyzing trace with hash 67788419, now seen corresponding path program 12 times [2021-03-11 06:43:39,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:39,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806082104] [2021-03-11 06:43:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:39,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:39,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:39,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:39,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:39,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:39,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:40,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:40,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:40,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:40,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:40,041 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,056 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:40,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806082104] [2021-03-11 06:43:40,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716815636] [2021-03-11 06:43:40,069 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 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 [2021-03-11 06:43:40,084 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-11 06:43:40,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:40,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:43:40,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:40,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:40,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:40,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:40,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:40,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:40,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:40,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:40,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:40,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:40,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:40,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:40,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:40,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:40,187 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 06:43:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:40,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:40,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:40,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:40,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:40,297 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:43:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:40,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:40,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:40,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:40,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:40,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:40,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:40,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:40,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923284632] [2021-03-11 06:43:40,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:40,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:40,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:40,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:40,302 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:40,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 222 transitions, 2368 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:40,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:40,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:40,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:41,049 INFO L129 PetriNetUnfolder]: 125/407 cut-off events. [2021-03-11 06:43:41,049 INFO L130 PetriNetUnfolder]: For 2407/2413 co-relation queries the response was YES. [2021-03-11 06:43:41,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2377 conditions, 407 events. 125/407 cut-off events. For 2407/2413 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2485 event pairs, 8 based on Foata normal form. 3/408 useless extension candidates. Maximal degree in co-relation 2333. Up to 116 conditions per place. [2021-03-11 06:43:41,053 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 143 selfloop transitions, 90 changer transitions 34/274 dead transitions. [2021-03-11 06:43:41,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 274 transitions, 3628 flow [2021-03-11 06:43:41,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 06:43:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 06:43:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 415 transitions. [2021-03-11 06:43:41,054 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.563858695652174 [2021-03-11 06:43:41,054 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 415 transitions. [2021-03-11 06:43:41,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 415 transitions. [2021-03-11 06:43:41,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:41,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 415 transitions. [2021-03-11 06:43:41,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 12.96875) internal successors, (415), 32 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:41,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 23.0) internal successors, (759), 33 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:41,057 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 23.0) internal successors, (759), 33 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:41,057 INFO L185 Difference]: Start difference. First operand has 153 places, 222 transitions, 2368 flow. Second operand 32 states and 415 transitions. [2021-03-11 06:43:41,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 274 transitions, 3628 flow [2021-03-11 06:43:41,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 274 transitions, 3237 flow, removed 167 selfloop flow, removed 13 redundant places. [2021-03-11 06:43:41,080 INFO L241 Difference]: Finished difference. Result has 183 places, 212 transitions, 2297 flow [2021-03-11 06:43:41,080 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=2033, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=2297, PETRI_PLACES=183, PETRI_TRANSITIONS=212} [2021-03-11 06:43:41,080 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 159 predicate places. [2021-03-11 06:43:41,081 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 212 transitions, 2297 flow [2021-03-11 06:43:41,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:41,081 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:41,081 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:41,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-11 06:43:41,294 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:41,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:41,295 INFO L82 PathProgramCache]: Analyzing trace with hash 482673675, now seen corresponding path program 13 times [2021-03-11 06:43:41,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:41,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880786471] [2021-03-11 06:43:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:41,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:41,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:41,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:41,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:41,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:41,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:41,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:41,356 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:41,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:41,370 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:41,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,382 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:41,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:41,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880786471] [2021-03-11 06:43:41,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478123261] [2021-03-11 06:43:41,394 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 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 [2021-03-11 06:43:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:41,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:41,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:41,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:41,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:41,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:41,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:41,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,449 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:41,449 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:41,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,484 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:41,484 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:41,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:41,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:41,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:41,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:41,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:41,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:41,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:41,548 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:41,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:41,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:41,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:41,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,571 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:41,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:41,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:41,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:41,607 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:41,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:41,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:41,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:41,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:41,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:41,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:41,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:41,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:41,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:41,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750049243] [2021-03-11 06:43:41,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:41,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:41,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:41,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:41,613 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:41,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 212 transitions, 2297 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:41,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:41,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:41,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:42,639 INFO L129 PetriNetUnfolder]: 133/467 cut-off events. [2021-03-11 06:43:42,639 INFO L130 PetriNetUnfolder]: For 4301/4307 co-relation queries the response was YES. [2021-03-11 06:43:42,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 467 events. 133/467 cut-off events. For 4301/4307 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2998 event pairs, 5 based on Foata normal form. 6/471 useless extension candidates. Maximal degree in co-relation 2725. Up to 95 conditions per place. [2021-03-11 06:43:42,643 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 84 selfloop transitions, 193 changer transitions 14/298 dead transitions. [2021-03-11 06:43:42,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 298 transitions, 4121 flow [2021-03-11 06:43:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-03-11 06:43:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-03-11 06:43:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 547 transitions. [2021-03-11 06:43:42,645 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5662525879917184 [2021-03-11 06:43:42,645 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 547 transitions. [2021-03-11 06:43:42,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 547 transitions. [2021-03-11 06:43:42,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:42,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 547 transitions. [2021-03-11 06:43:42,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 13.023809523809524) internal successors, (547), 42 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:42,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 23.0) internal successors, (989), 43 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:42,648 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 23.0) internal successors, (989), 43 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:42,648 INFO L185 Difference]: Start difference. First operand has 183 places, 212 transitions, 2297 flow. Second operand 42 states and 547 transitions. [2021-03-11 06:43:42,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 298 transitions, 4121 flow [2021-03-11 06:43:42,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 298 transitions, 3559 flow, removed 214 selfloop flow, removed 22 redundant places. [2021-03-11 06:43:42,677 INFO L241 Difference]: Finished difference. Result has 195 places, 254 transitions, 3103 flow [2021-03-11 06:43:42,677 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=3103, PETRI_PLACES=195, PETRI_TRANSITIONS=254} [2021-03-11 06:43:42,677 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 171 predicate places. [2021-03-11 06:43:42,677 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 254 transitions, 3103 flow [2021-03-11 06:43:42,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:42,678 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:42,678 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:42,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:42,891 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:42,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:42,891 INFO L82 PathProgramCache]: Analyzing trace with hash 621625527, now seen corresponding path program 14 times [2021-03-11 06:43:42,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:42,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155444564] [2021-03-11 06:43:42,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:42,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:42,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:42,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:42,947 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:42,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:42,963 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:42,975 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:42,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:42,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:42,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155444564] [2021-03-11 06:43:42,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444747933] [2021-03-11 06:43:42,987 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 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 [2021-03-11 06:43:43,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:43,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:43,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:43:43,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:43,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:43,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:43,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:43,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:43,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:43,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:43,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:43,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:43,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:43,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:43,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:43,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:43,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:43,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,165 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:43,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:43,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:43,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,188 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:43,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:43,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:43,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:43,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:43,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:43:43,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:43,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:43,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:43,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:43,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:43,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:43,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:43,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:43,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:43,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706397713] [2021-03-11 06:43:43,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:43,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:43,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:43,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:43,226 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:43,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 254 transitions, 3103 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:43,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:43,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:43,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:44,126 INFO L129 PetriNetUnfolder]: 179/638 cut-off events. [2021-03-11 06:43:44,126 INFO L130 PetriNetUnfolder]: For 4717/4717 co-relation queries the response was YES. [2021-03-11 06:43:44,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3938 conditions, 638 events. 179/638 cut-off events. For 4717/4717 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4486 event pairs, 11 based on Foata normal form. 6/644 useless extension candidates. Maximal degree in co-relation 3881. Up to 161 conditions per place. [2021-03-11 06:43:44,133 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 173 selfloop transitions, 189 changer transitions 12/381 dead transitions. [2021-03-11 06:43:44,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 381 transitions, 5763 flow [2021-03-11 06:43:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-11 06:43:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-03-11 06:43:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 498 transitions. [2021-03-11 06:43:44,135 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5551839464882943 [2021-03-11 06:43:44,135 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 498 transitions. [2021-03-11 06:43:44,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 498 transitions. [2021-03-11 06:43:44,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:44,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 498 transitions. [2021-03-11 06:43:44,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 12.76923076923077) internal successors, (498), 39 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:44,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 23.0) internal successors, (920), 40 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:44,138 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 23.0) internal successors, (920), 40 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:44,138 INFO L185 Difference]: Start difference. First operand has 195 places, 254 transitions, 3103 flow. Second operand 39 states and 498 transitions. [2021-03-11 06:43:44,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 381 transitions, 5763 flow [2021-03-11 06:43:44,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 381 transitions, 5201 flow, removed 99 selfloop flow, removed 22 redundant places. [2021-03-11 06:43:44,178 INFO L241 Difference]: Finished difference. Result has 219 places, 332 transitions, 4303 flow [2021-03-11 06:43:44,179 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=2785, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=4303, PETRI_PLACES=219, PETRI_TRANSITIONS=332} [2021-03-11 06:43:44,179 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 195 predicate places. [2021-03-11 06:43:44,179 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 332 transitions, 4303 flow [2021-03-11 06:43:44,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:44,179 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:44,179 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:44,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:44,399 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:44,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:44,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1662897117, now seen corresponding path program 15 times [2021-03-11 06:43:44,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:44,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863090318] [2021-03-11 06:43:44,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:44,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:44,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:44,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:44,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 06:43:44,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,464 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:44,478 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:44,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,492 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:44,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:44,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863090318] [2021-03-11 06:43:44,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641229889] [2021-03-11 06:43:44,507 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-11 06:43:44,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 06:43:44,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:44,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:44,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:44,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:44,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:44,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:44,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:44,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:44,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:44,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:44,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:44,642 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:44,643 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:44,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:44,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:44,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,668 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:44,669 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,686 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:44,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:44,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,711 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:44,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:44,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:44,742 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:44,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:44,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:44,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:44,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:44,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939161101] [2021-03-11 06:43:44,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:44,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:44,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:44,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:44,749 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:44,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 332 transitions, 4303 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:44,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:44,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:44,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:45,553 INFO L129 PetriNetUnfolder]: 207/708 cut-off events. [2021-03-11 06:43:45,553 INFO L130 PetriNetUnfolder]: For 6461/6461 co-relation queries the response was YES. [2021-03-11 06:43:45,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4565 conditions, 708 events. 207/708 cut-off events. For 6461/6461 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5078 event pairs, 11 based on Foata normal form. 3/711 useless extension candidates. Maximal degree in co-relation 4501. Up to 182 conditions per place. [2021-03-11 06:43:45,562 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 97 selfloop transitions, 282 changer transitions 4/390 dead transitions. [2021-03-11 06:43:45,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 390 transitions, 5875 flow [2021-03-11 06:43:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 06:43:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 06:43:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 400 transitions. [2021-03-11 06:43:45,563 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5434782608695652 [2021-03-11 06:43:45,563 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 400 transitions. [2021-03-11 06:43:45,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 400 transitions. [2021-03-11 06:43:45,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:45,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 400 transitions. [2021-03-11 06:43:45,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 12.5) internal successors, (400), 32 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:45,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 23.0) internal successors, (759), 33 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:45,572 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 23.0) internal successors, (759), 33 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:45,572 INFO L185 Difference]: Start difference. First operand has 219 places, 332 transitions, 4303 flow. Second operand 32 states and 400 transitions. [2021-03-11 06:43:45,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 390 transitions, 5875 flow [2021-03-11 06:43:45,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 390 transitions, 5651 flow, removed 57 selfloop flow, removed 15 redundant places. [2021-03-11 06:43:45,627 INFO L241 Difference]: Finished difference. Result has 235 places, 377 transitions, 5456 flow [2021-03-11 06:43:45,627 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=4107, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=241, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=5456, PETRI_PLACES=235, PETRI_TRANSITIONS=377} [2021-03-11 06:43:45,627 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 211 predicate places. [2021-03-11 06:43:45,627 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 377 transitions, 5456 flow [2021-03-11 06:43:45,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:45,627 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:45,627 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:45,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:45,851 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:45,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1332880405, now seen corresponding path program 16 times [2021-03-11 06:43:45,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:45,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698217229] [2021-03-11 06:43:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:45,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:45,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:45,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:45,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:45,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:45,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:45,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:45,937 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:45,953 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:45,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:45,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:45,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:45,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698217229] [2021-03-11 06:43:45,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240033102] [2021-03-11 06:43:45,969 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 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 [2021-03-11 06:43:45,995 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 06:43:45,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:45,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:45,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:46,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:46,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:46,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:46,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:46,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:46,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,108 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-11 06:43:46,108 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 06:43:46,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,142 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:46,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:46,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:46,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:46,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:46,166 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:46,166 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:46,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:46,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:46,194 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:46,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:46,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:46,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:46,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:46,233 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:46,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:46,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:46,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:46,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:46,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:46,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:46,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:46,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:46,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:46,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475908595] [2021-03-11 06:43:46,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:46,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:46,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:46,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:46,240 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:46,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 377 transitions, 5456 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:46,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:46,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:46,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:46,700 INFO L129 PetriNetUnfolder]: 207/711 cut-off events. [2021-03-11 06:43:46,700 INFO L130 PetriNetUnfolder]: For 7077/7083 co-relation queries the response was YES. [2021-03-11 06:43:46,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4889 conditions, 711 events. 207/711 cut-off events. For 7077/7083 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5139 event pairs, 11 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 4825. Up to 233 conditions per place. [2021-03-11 06:43:46,709 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 215 selfloop transitions, 171 changer transitions 10/403 dead transitions. [2021-03-11 06:43:46,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 403 transitions, 6794 flow [2021-03-11 06:43:46,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-11 06:43:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-11 06:43:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 304 transitions. [2021-03-11 06:43:46,710 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5507246376811594 [2021-03-11 06:43:46,710 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 304 transitions. [2021-03-11 06:43:46,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 304 transitions. [2021-03-11 06:43:46,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:46,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 304 transitions. [2021-03-11 06:43:46,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 12.666666666666666) internal successors, (304), 24 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:46,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 23.0) internal successors, (575), 25 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:46,712 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 23.0) internal successors, (575), 25 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:46,712 INFO L185 Difference]: Start difference. First operand has 235 places, 377 transitions, 5456 flow. Second operand 24 states and 304 transitions. [2021-03-11 06:43:46,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 403 transitions, 6794 flow [2021-03-11 06:43:46,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 403 transitions, 6389 flow, removed 135 selfloop flow, removed 14 redundant places. [2021-03-11 06:43:46,783 INFO L241 Difference]: Finished difference. Result has 246 places, 375 transitions, 5455 flow [2021-03-11 06:43:46,783 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=5127, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=5455, PETRI_PLACES=246, PETRI_TRANSITIONS=375} [2021-03-11 06:43:46,783 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 222 predicate places. [2021-03-11 06:43:46,783 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 375 transitions, 5455 flow [2021-03-11 06:43:46,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:46,784 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:46,784 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:46,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-11 06:43:46,999 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:46,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:46,999 INFO L82 PathProgramCache]: Analyzing trace with hash -666455519, now seen corresponding path program 17 times [2021-03-11 06:43:47,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:47,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934768282] [2021-03-11 06:43:47,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:47,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:47,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:47,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:47,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:47,063 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:47,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:47,078 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:47,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,094 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:47,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:47,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934768282] [2021-03-11 06:43:47,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834452548] [2021-03-11 06:43:47,106 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 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 [2021-03-11 06:43:47,120 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-11 06:43:47,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:47,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:43:47,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:47,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:47,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:47,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:47,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:47,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:47,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:47,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:47,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:47,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:47,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:47,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:47,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:47,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:47,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:47,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:47,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:47,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:47,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:47,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,290 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:47,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:47,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:47,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,315 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:47,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:47,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:47,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:47,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:47,345 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:43:47,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:47,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:47,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:47,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:47,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:47,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:47,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:47,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925671942] [2021-03-11 06:43:47,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:47,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:47,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:47,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:47,350 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:47,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 375 transitions, 5455 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:47,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:47,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:47,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:48,338 INFO L129 PetriNetUnfolder]: 218/766 cut-off events. [2021-03-11 06:43:48,338 INFO L130 PetriNetUnfolder]: For 6523/6529 co-relation queries the response was YES. [2021-03-11 06:43:48,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5109 conditions, 766 events. 218/766 cut-off events. For 6523/6529 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5710 event pairs, 13 based on Foata normal form. 4/770 useless extension candidates. Maximal degree in co-relation 5043. Up to 177 conditions per place. [2021-03-11 06:43:48,347 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 181 selfloop transitions, 239 changer transitions 15/442 dead transitions. [2021-03-11 06:43:48,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 442 transitions, 7438 flow [2021-03-11 06:43:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-11 06:43:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-11 06:43:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 492 transitions. [2021-03-11 06:43:48,348 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.562929061784897 [2021-03-11 06:43:48,348 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 492 transitions. [2021-03-11 06:43:48,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 492 transitions. [2021-03-11 06:43:48,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:48,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 492 transitions. [2021-03-11 06:43:48,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 12.947368421052632) internal successors, (492), 38 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) [2021-03-11 06:43:48,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 23.0) internal successors, (897), 39 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:48,351 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 23.0) internal successors, (897), 39 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:48,351 INFO L185 Difference]: Start difference. First operand has 246 places, 375 transitions, 5455 flow. Second operand 38 states and 492 transitions. [2021-03-11 06:43:48,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 442 transitions, 7438 flow [2021-03-11 06:43:48,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 442 transitions, 7174 flow, removed 27 selfloop flow, removed 16 redundant places. [2021-03-11 06:43:48,417 INFO L241 Difference]: Finished difference. Result has 270 places, 397 transitions, 6135 flow [2021-03-11 06:43:48,417 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=5221, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=6135, PETRI_PLACES=270, PETRI_TRANSITIONS=397} [2021-03-11 06:43:48,418 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 246 predicate places. [2021-03-11 06:43:48,418 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 397 transitions, 6135 flow [2021-03-11 06:43:48,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:48,418 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:48,418 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:48,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-11 06:43:48,623 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:48,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:48,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1527774019, now seen corresponding path program 18 times [2021-03-11 06:43:48,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:48,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086836381] [2021-03-11 06:43:48,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:48,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:48,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:48,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:48,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:48,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 06:43:48,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,678 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:48,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:48,695 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:48,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,710 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:48,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:48,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086836381] [2021-03-11 06:43:48,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889805171] [2021-03-11 06:43:48,725 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 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 [2021-03-11 06:43:48,746 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 06:43:48,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:48,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:48,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:48,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:48,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:48,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:48,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:48,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:48,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:48,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,795 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:48,795 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:48,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:48,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:48,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:48,845 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:48,845 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:48,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:48,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:48,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:48,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:48,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:48,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,875 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:48,875 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:48,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,892 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:48,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:48,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:48,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:48,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,912 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:48,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:48,944 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:48,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:48,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:48,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:48,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:48,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:48,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:48,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:48,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:48,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570319250] [2021-03-11 06:43:48,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:48,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:48,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:48,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:48,949 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:48,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 397 transitions, 6135 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:48,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:48,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:48,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:49,692 INFO L129 PetriNetUnfolder]: 227/749 cut-off events. [2021-03-11 06:43:49,692 INFO L130 PetriNetUnfolder]: For 6992/6998 co-relation queries the response was YES. [2021-03-11 06:43:49,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5374 conditions, 749 events. 227/749 cut-off events. For 6992/6998 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5435 event pairs, 9 based on Foata normal form. 4/753 useless extension candidates. Maximal degree in co-relation 5302. Up to 189 conditions per place. [2021-03-11 06:43:49,701 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 116 selfloop transitions, 301 changer transitions 4/428 dead transitions. [2021-03-11 06:43:49,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 428 transitions, 7409 flow [2021-03-11 06:43:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-11 06:43:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-11 06:43:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 370 transitions. [2021-03-11 06:43:49,704 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5547226386806596 [2021-03-11 06:43:49,704 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 370 transitions. [2021-03-11 06:43:49,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 370 transitions. [2021-03-11 06:43:49,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:49,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 370 transitions. [2021-03-11 06:43:49,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 12.758620689655173) internal successors, (370), 29 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:49,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 23.0) internal successors, (690), 30 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:49,708 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 23.0) internal successors, (690), 30 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:49,708 INFO L185 Difference]: Start difference. First operand has 270 places, 397 transitions, 6135 flow. Second operand 29 states and 370 transitions. [2021-03-11 06:43:49,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 428 transitions, 7409 flow [2021-03-11 06:43:49,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 428 transitions, 6918 flow, removed 30 selfloop flow, removed 29 redundant places. [2021-03-11 06:43:49,780 INFO L241 Difference]: Finished difference. Result has 264 places, 413 transitions, 6612 flow [2021-03-11 06:43:49,781 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=5646, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=284, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=6612, PETRI_PLACES=264, PETRI_TRANSITIONS=413} [2021-03-11 06:43:49,781 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 240 predicate places. [2021-03-11 06:43:49,781 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 413 transitions, 6612 flow [2021-03-11 06:43:49,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:49,781 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:49,781 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:49,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:49,982 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:49,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:49,982 INFO L82 PathProgramCache]: Analyzing trace with hash -94706435, now seen corresponding path program 19 times [2021-03-11 06:43:49,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:49,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424371964] [2021-03-11 06:43:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:49,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:49,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:50,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:50,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:50,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:50,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:50,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:50,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:50,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:50,059 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:50,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,072 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:50,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424371964] [2021-03-11 06:43:50,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207455804] [2021-03-11 06:43:50,084 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 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 [2021-03-11 06:43:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:50,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:50,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:50,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:50,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,140 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:50,141 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:50,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,197 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-11 06:43:50,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 06:43:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,217 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:50,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:50,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:50,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:50,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:50,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:50,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:50,240 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:43:50,240 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:43:50,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:50,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:50,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:50,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:50,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:50,267 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:50,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:50,297 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:50,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:50,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:50,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:50,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:50,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052955030] [2021-03-11 06:43:50,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:50,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:50,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:50,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:50,302 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:50,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 413 transitions, 6612 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:50,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:50,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:50,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:50,813 INFO L129 PetriNetUnfolder]: 225/746 cut-off events. [2021-03-11 06:43:50,814 INFO L130 PetriNetUnfolder]: For 6958/6964 co-relation queries the response was YES. [2021-03-11 06:43:50,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5468 conditions, 746 events. 225/746 cut-off events. For 6958/6964 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5347 event pairs, 9 based on Foata normal form. 4/750 useless extension candidates. Maximal degree in co-relation 5402. Up to 248 conditions per place. [2021-03-11 06:43:50,822 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 226 selfloop transitions, 197 changer transitions 12/442 dead transitions. [2021-03-11 06:43:50,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 442 transitions, 8069 flow [2021-03-11 06:43:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-11 06:43:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-11 06:43:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 298 transitions. [2021-03-11 06:43:50,824 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5398550724637681 [2021-03-11 06:43:50,824 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 298 transitions. [2021-03-11 06:43:50,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 298 transitions. [2021-03-11 06:43:50,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:50,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 298 transitions. [2021-03-11 06:43:50,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 12.416666666666666) internal successors, (298), 24 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:50,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 23.0) internal successors, (575), 25 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:50,831 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 23.0) internal successors, (575), 25 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:50,831 INFO L185 Difference]: Start difference. First operand has 264 places, 413 transitions, 6612 flow. Second operand 24 states and 298 transitions. [2021-03-11 06:43:50,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 442 transitions, 8069 flow [2021-03-11 06:43:50,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 442 transitions, 7715 flow, removed 71 selfloop flow, removed 18 redundant places. [2021-03-11 06:43:50,887 INFO L241 Difference]: Finished difference. Result has 274 places, 414 transitions, 6905 flow [2021-03-11 06:43:50,888 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=6321, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=6905, PETRI_PLACES=274, PETRI_TRANSITIONS=414} [2021-03-11 06:43:50,888 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 250 predicate places. [2021-03-11 06:43:50,888 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 414 transitions, 6905 flow [2021-03-11 06:43:50,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:50,888 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:50,888 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:51,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-11 06:43:51,089 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:51,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:51,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1805676881, now seen corresponding path program 20 times [2021-03-11 06:43:51,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:51,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480946648] [2021-03-11 06:43:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:51,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:51,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:51,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:51,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:51,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,161 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:51,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:51,174 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:43:51,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480946648] [2021-03-11 06:43:51,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163446067] [2021-03-11 06:43:51,185 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 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 [2021-03-11 06:43:51,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:51,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:51,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:51,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:51,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:51,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:51,277 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-11 06:43:51,277 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-11 06:43:51,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:51,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:51,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:51,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:51,300 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-11 06:43:51,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:51,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:51,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,338 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:51,338 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:51,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:51,386 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:51,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:51,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:51,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:51,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:51,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456860857] [2021-03-11 06:43:51,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:51,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:51,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:51,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:51,391 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:51,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 414 transitions, 6905 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:51,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:51,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:51,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:52,084 INFO L129 PetriNetUnfolder]: 225/838 cut-off events. [2021-03-11 06:43:52,084 INFO L130 PetriNetUnfolder]: For 7228/7228 co-relation queries the response was YES. [2021-03-11 06:43:52,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5973 conditions, 838 events. 225/838 cut-off events. For 7228/7228 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6641 event pairs, 0 based on Foata normal form. 9/844 useless extension candidates. Maximal degree in co-relation 5901. Up to 184 conditions per place. [2021-03-11 06:43:52,094 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 151 selfloop transitions, 227 changer transitions 94/479 dead transitions. [2021-03-11 06:43:52,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 479 transitions, 8812 flow [2021-03-11 06:43:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 06:43:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 06:43:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 316 transitions. [2021-03-11 06:43:52,095 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5284280936454849 [2021-03-11 06:43:52,095 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 316 transitions. [2021-03-11 06:43:52,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 316 transitions. [2021-03-11 06:43:52,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:52,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 316 transitions. [2021-03-11 06:43:52,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.153846153846153) internal successors, (316), 26 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:52,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 23.0) internal successors, (621), 27 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:52,097 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 23.0) internal successors, (621), 27 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:52,097 INFO L185 Difference]: Start difference. First operand has 274 places, 414 transitions, 6905 flow. Second operand 26 states and 316 transitions. [2021-03-11 06:43:52,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 479 transitions, 8812 flow [2021-03-11 06:43:52,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 479 transitions, 8476 flow, removed 41 selfloop flow, removed 22 redundant places. [2021-03-11 06:43:52,168 INFO L241 Difference]: Finished difference. Result has 279 places, 370 transitions, 6553 flow [2021-03-11 06:43:52,168 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=6615, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6553, PETRI_PLACES=279, PETRI_TRANSITIONS=370} [2021-03-11 06:43:52,168 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 255 predicate places. [2021-03-11 06:43:52,168 INFO L480 AbstractCegarLoop]: Abstraction has has 279 places, 370 transitions, 6553 flow [2021-03-11 06:43:52,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:52,168 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:52,168 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:52,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:52,369 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:52,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:52,369 INFO L82 PathProgramCache]: Analyzing trace with hash 770739301, now seen corresponding path program 21 times [2021-03-11 06:43:52,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:52,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828735230] [2021-03-11 06:43:52,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:52,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:52,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:52,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:52,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:52,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:52,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:52,447 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:52,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,462 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:52,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828735230] [2021-03-11 06:43:52,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571621394] [2021-03-11 06:43:52,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-11 06:43:52,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 06:43:52,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:52,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:43:52,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:52,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:52,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:52,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:52,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:52,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:52,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:52,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:52,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:52,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:52,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:52,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:52,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:52,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:52,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:52,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:52,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:52,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:52,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:52,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:52,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:52,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,651 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-11 06:43:52,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 06:43:52,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:52,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:52,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:52,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:52,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:52,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:52,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,704 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:52,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:52,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:52,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:52,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:52,737 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:43:52,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:52,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:52,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:52,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:52,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:52,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:52,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:52,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:52,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:52,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840755819] [2021-03-11 06:43:52,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:52,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:52,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:52,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:52,743 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:52,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 370 transitions, 6553 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:52,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:52,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:52,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:53,283 INFO L129 PetriNetUnfolder]: 209/712 cut-off events. [2021-03-11 06:43:53,284 INFO L130 PetriNetUnfolder]: For 8230/8230 co-relation queries the response was YES. [2021-03-11 06:43:53,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5752 conditions, 712 events. 209/712 cut-off events. For 8230/8230 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5087 event pairs, 7 based on Foata normal form. 2/714 useless extension candidates. Maximal degree in co-relation 5678. Up to 466 conditions per place. [2021-03-11 06:43:53,295 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 344 selfloop transitions, 70 changer transitions 4/425 dead transitions. [2021-03-11 06:43:53,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 425 transitions, 8531 flow [2021-03-11 06:43:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 06:43:53,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 06:43:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 318 transitions. [2021-03-11 06:43:53,296 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5317725752508361 [2021-03-11 06:43:53,296 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 318 transitions. [2021-03-11 06:43:53,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 318 transitions. [2021-03-11 06:43:53,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:53,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 318 transitions. [2021-03-11 06:43:53,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.23076923076923) internal successors, (318), 26 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:53,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 23.0) internal successors, (621), 27 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:53,298 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 23.0) internal successors, (621), 27 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:53,298 INFO L185 Difference]: Start difference. First operand has 279 places, 370 transitions, 6553 flow. Second operand 26 states and 318 transitions. [2021-03-11 06:43:53,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 425 transitions, 8531 flow [2021-03-11 06:43:53,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 425 transitions, 8064 flow, removed 76 selfloop flow, removed 26 redundant places. [2021-03-11 06:43:53,375 INFO L241 Difference]: Finished difference. Result has 260 places, 407 transitions, 7132 flow [2021-03-11 06:43:53,376 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=6175, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7132, PETRI_PLACES=260, PETRI_TRANSITIONS=407} [2021-03-11 06:43:53,376 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 236 predicate places. [2021-03-11 06:43:53,377 INFO L480 AbstractCegarLoop]: Abstraction has has 260 places, 407 transitions, 7132 flow [2021-03-11 06:43:53,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:53,377 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:53,377 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:53,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-11 06:43:53,591 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:53,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:53,591 INFO L82 PathProgramCache]: Analyzing trace with hash 14023211, now seen corresponding path program 22 times [2021-03-11 06:43:53,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:53,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444482418] [2021-03-11 06:43:53,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:53,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:53,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:53,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:53,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:53,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:53,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:53,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,652 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:53,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:53,664 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:53,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:43:53,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444482418] [2021-03-11 06:43:53,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93322338] [2021-03-11 06:43:53,675 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 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 [2021-03-11 06:43:53,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 06:43:53,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:53,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:53,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:53,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:53,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:53,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:53,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:53,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:53,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:53,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:53,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:53,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,749 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:53,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:53,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:53,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:53,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:53,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,823 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:53,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:53,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,843 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:53,843 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,865 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:53,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:53,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:53,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:53,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:53,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:53,906 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:53,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:53,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:53,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:53,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:53,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:53,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:53,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:53,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894224418] [2021-03-11 06:43:53,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:53,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:53,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:53,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:53,913 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:53,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 407 transitions, 7132 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:53,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:53,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:53,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:54,647 INFO L129 PetriNetUnfolder]: 205/706 cut-off events. [2021-03-11 06:43:54,647 INFO L130 PetriNetUnfolder]: For 7478/7484 co-relation queries the response was YES. [2021-03-11 06:43:54,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5551 conditions, 706 events. 205/706 cut-off events. For 7478/7484 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5124 event pairs, 6 based on Foata normal form. 11/717 useless extension candidates. Maximal degree in co-relation 5483. Up to 159 conditions per place. [2021-03-11 06:43:54,653 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 29 selfloop transitions, 354 changer transitions 37/427 dead transitions. [2021-03-11 06:43:54,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 427 transitions, 8257 flow [2021-03-11 06:43:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 06:43:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 06:43:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 379 transitions. [2021-03-11 06:43:54,654 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5149456521739131 [2021-03-11 06:43:54,654 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 379 transitions. [2021-03-11 06:43:54,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 379 transitions. [2021-03-11 06:43:54,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:54,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 379 transitions. [2021-03-11 06:43:54,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 11.84375) internal successors, (379), 32 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:54,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 23.0) internal successors, (759), 33 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:54,656 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 23.0) internal successors, (759), 33 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:54,656 INFO L185 Difference]: Start difference. First operand has 260 places, 407 transitions, 7132 flow. Second operand 32 states and 379 transitions. [2021-03-11 06:43:54,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 427 transitions, 8257 flow [2021-03-11 06:43:54,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 427 transitions, 8060 flow, removed 70 selfloop flow, removed 15 redundant places. [2021-03-11 06:43:54,723 INFO L241 Difference]: Finished difference. Result has 278 places, 385 transitions, 7511 flow [2021-03-11 06:43:54,723 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=6925, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=352, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=7511, PETRI_PLACES=278, PETRI_TRANSITIONS=385} [2021-03-11 06:43:54,723 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 254 predicate places. [2021-03-11 06:43:54,723 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 385 transitions, 7511 flow [2021-03-11 06:43:54,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:54,724 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:54,724 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:54,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-11 06:43:54,924 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:54,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:54,925 INFO L82 PathProgramCache]: Analyzing trace with hash -557431595, now seen corresponding path program 23 times [2021-03-11 06:43:54,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:54,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059642774] [2021-03-11 06:43:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:54,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:54,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:54,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:54,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:54,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:54,973 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:54,986 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 06:43:54,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:54,998 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:54,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:43:55,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059642774] [2021-03-11 06:43:55,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834570992] [2021-03-11 06:43:55,008 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 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 [2021-03-11 06:43:55,022 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-11 06:43:55,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:55,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:55,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:55,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:55,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:55,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:55,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:55,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:55,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,061 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:55,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:55,091 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-11 06:43:55,092 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-11 06:43:55,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:55,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:55,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:55,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:55,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,153 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:55,154 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,171 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:55,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:55,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:55,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,192 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:55,227 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:55,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:55,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:55,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:55,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:55,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:55,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:55,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:55,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:55,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594267269] [2021-03-11 06:43:55,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:55,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:55,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:55,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:55,233 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:55,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 385 transitions, 7511 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:55,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:55,233 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:55,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:56,181 INFO L129 PetriNetUnfolder]: 202/615 cut-off events. [2021-03-11 06:43:56,181 INFO L130 PetriNetUnfolder]: For 6958/6960 co-relation queries the response was YES. [2021-03-11 06:43:56,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5635 conditions, 615 events. 202/615 cut-off events. For 6958/6960 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4039 event pairs, 0 based on Foata normal form. 11/626 useless extension candidates. Maximal degree in co-relation 5566. Up to 144 conditions per place. [2021-03-11 06:43:56,186 INFO L132 encePairwiseOnDemand]: 11/23 looper letters, 22 selfloop transitions, 377 changer transitions 9/415 dead transitions. [2021-03-11 06:43:56,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 415 transitions, 8870 flow [2021-03-11 06:43:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-11 06:43:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-03-11 06:43:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 423 transitions. [2021-03-11 06:43:56,187 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5108695652173914 [2021-03-11 06:43:56,187 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 423 transitions. [2021-03-11 06:43:56,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 423 transitions. [2021-03-11 06:43:56,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:56,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 423 transitions. [2021-03-11 06:43:56,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 11.75) internal successors, (423), 36 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:56,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 23.0) internal successors, (851), 37 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:56,189 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 23.0) internal successors, (851), 37 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:56,190 INFO L185 Difference]: Start difference. First operand has 278 places, 385 transitions, 7511 flow. Second operand 36 states and 423 transitions. [2021-03-11 06:43:56,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 415 transitions, 8870 flow [2021-03-11 06:43:56,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 415 transitions, 7943 flow, removed 86 selfloop flow, removed 35 redundant places. [2021-03-11 06:43:56,257 INFO L241 Difference]: Finished difference. Result has 264 places, 398 transitions, 7658 flow [2021-03-11 06:43:56,257 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=6636, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=360, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=7658, PETRI_PLACES=264, PETRI_TRANSITIONS=398} [2021-03-11 06:43:56,257 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 240 predicate places. [2021-03-11 06:43:56,257 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 398 transitions, 7658 flow [2021-03-11 06:43:56,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:56,257 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:56,257 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:56,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-11 06:43:56,471 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:56,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:56,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1966153367, now seen corresponding path program 24 times [2021-03-11 06:43:56,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:56,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943067867] [2021-03-11 06:43:56,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:56,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:56,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:56,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:56,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:56,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:56,529 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:56,543 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:56,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,556 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:56,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:56,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943067867] [2021-03-11 06:43:56,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274790565] [2021-03-11 06:43:56,567 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 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 [2021-03-11 06:43:56,582 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 06:43:56,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:56,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:43:56,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:56,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:56,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:56,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:56,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:56,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:56,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:56,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:56,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:56,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:43:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:56,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:56,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:56,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:56,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:43:56,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,766 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:56,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:56,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:56,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,788 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:43:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:56,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:56,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:43:56,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:56,829 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:43:56,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:56,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:56,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:56,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:56,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:56,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:43:56,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943449877] [2021-03-11 06:43:56,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:43:56,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:56,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:43:56,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:43:56,836 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:56,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 398 transitions, 7658 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:56,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:56,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:56,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:57,464 INFO L129 PetriNetUnfolder]: 234/643 cut-off events. [2021-03-11 06:43:57,464 INFO L130 PetriNetUnfolder]: For 6780/6780 co-relation queries the response was YES. [2021-03-11 06:43:57,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6146 conditions, 643 events. 234/643 cut-off events. For 6780/6780 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4051 event pairs, 2 based on Foata normal form. 2/645 useless extension candidates. Maximal degree in co-relation 6087. Up to 225 conditions per place. [2021-03-11 06:43:57,470 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 190 selfloop transitions, 270 changer transitions 7/474 dead transitions. [2021-03-11 06:43:57,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 474 transitions, 10178 flow [2021-03-11 06:43:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-11 06:43:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-11 06:43:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 368 transitions. [2021-03-11 06:43:57,471 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5517241379310345 [2021-03-11 06:43:57,471 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 368 transitions. [2021-03-11 06:43:57,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 368 transitions. [2021-03-11 06:43:57,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:57,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 368 transitions. [2021-03-11 06:43:57,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 12.689655172413794) internal successors, (368), 29 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:57,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 23.0) internal successors, (690), 30 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:57,473 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 23.0) internal successors, (690), 30 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:57,473 INFO L185 Difference]: Start difference. First operand has 264 places, 398 transitions, 7658 flow. Second operand 29 states and 368 transitions. [2021-03-11 06:43:57,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 474 transitions, 10178 flow [2021-03-11 06:43:57,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 474 transitions, 8729 flow, removed 101 selfloop flow, removed 31 redundant places. [2021-03-11 06:43:57,537 INFO L241 Difference]: Finished difference. Result has 259 places, 443 transitions, 7918 flow [2021-03-11 06:43:57,537 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=6443, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=7918, PETRI_PLACES=259, PETRI_TRANSITIONS=443} [2021-03-11 06:43:57,538 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 235 predicate places. [2021-03-11 06:43:57,538 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 443 transitions, 7918 flow [2021-03-11 06:43:57,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:57,538 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:57,538 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:57,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:43:57,738 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:57,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:57,739 INFO L82 PathProgramCache]: Analyzing trace with hash -182643169, now seen corresponding path program 25 times [2021-03-11 06:43:57,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:57,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535045218] [2021-03-11 06:43:57,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:57,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:57,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:57,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:57,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:57,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:57,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 06:43:57,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,798 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:57,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:57,812 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:57,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:57,824 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:43:57,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535045218] [2021-03-11 06:43:57,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088552547] [2021-03-11 06:43:57,835 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 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 [2021-03-11 06:43:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:57,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:57,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:57,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:57,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,900 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:57,901 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:57,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:57,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:57,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:57,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:43:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:57,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,010 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:58,011 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,031 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:58,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:58,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:58,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:58,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,054 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:58,089 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:58,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:58,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:58,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:58,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:58,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365956342] [2021-03-11 06:43:58,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:58,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:58,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:58,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:58,095 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:58,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 443 transitions, 7918 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:58,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:58,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:58,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:43:58,813 INFO L129 PetriNetUnfolder]: 317/870 cut-off events. [2021-03-11 06:43:58,813 INFO L130 PetriNetUnfolder]: For 6813/6815 co-relation queries the response was YES. [2021-03-11 06:43:58,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7521 conditions, 870 events. 317/870 cut-off events. For 6813/6815 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6064 event pairs, 0 based on Foata normal form. 9/879 useless extension candidates. Maximal degree in co-relation 7465. Up to 205 conditions per place. [2021-03-11 06:43:58,819 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 74 selfloop transitions, 522 changer transitions 7/610 dead transitions. [2021-03-11 06:43:58,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 610 transitions, 12046 flow [2021-03-11 06:43:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-11 06:43:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-11 06:43:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 405 transitions. [2021-03-11 06:43:58,820 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5335968379446641 [2021-03-11 06:43:58,820 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 405 transitions. [2021-03-11 06:43:58,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 405 transitions. [2021-03-11 06:43:58,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:43:58,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 405 transitions. [2021-03-11 06:43:58,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 12.272727272727273) internal successors, (405), 33 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:58,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 23.0) internal successors, (782), 34 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:58,821 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 23.0) internal successors, (782), 34 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:58,822 INFO L185 Difference]: Start difference. First operand has 259 places, 443 transitions, 7918 flow. Second operand 33 states and 405 transitions. [2021-03-11 06:43:58,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 610 transitions, 12046 flow [2021-03-11 06:43:58,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 610 transitions, 11216 flow, removed 15 selfloop flow, removed 25 redundant places. [2021-03-11 06:43:58,905 INFO L241 Difference]: Finished difference. Result has 272 places, 599 transitions, 11694 flow [2021-03-11 06:43:58,906 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=7284, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=369, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=11694, PETRI_PLACES=272, PETRI_TRANSITIONS=599} [2021-03-11 06:43:58,906 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 248 predicate places. [2021-03-11 06:43:58,906 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 599 transitions, 11694 flow [2021-03-11 06:43:58,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:58,906 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:43:58,906 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:43:59,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-11 06:43:59,119 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:43:59,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:43:59,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1425834581, now seen corresponding path program 26 times [2021-03-11 06:43:59,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:43:59,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759832792] [2021-03-11 06:43:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:43:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:43:59,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:59,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:59,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:59,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:59,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:43:59,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:43:59,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,200 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-11 06:43:59,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:43:59,216 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:43:59,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:59,231 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:43:59,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:43:59,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759832792] [2021-03-11 06:43:59,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24505431] [2021-03-11 06:43:59,241 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 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 [2021-03-11 06:43:59,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 06:43:59,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:43:59,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:43:59,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:43:59,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:59,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:43:59,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:59,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:59,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:59,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:43:59,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,307 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:43:59,308 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:43:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:43:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:59,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:59,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:59,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:43:59,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:43:59,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:59,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 06:43:59,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,381 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:43:59,382 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:43:59,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,399 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:59,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:59,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:59,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,437 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:43:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:59,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:59,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:43:59,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:43:59,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:43:59,468 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:43:59,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:43:59,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:43:59,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:43:59,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:43:59,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:59,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:43:59,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:43:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:43:59,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:43:59,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-03-11 06:43:59,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267169836] [2021-03-11 06:43:59,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 06:43:59,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:43:59,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 06:43:59,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-03-11 06:43:59,474 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:43:59,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 599 transitions, 11694 flow. Second operand has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:43:59,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:43:59,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:43:59,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:44:00,488 INFO L129 PetriNetUnfolder]: 317/826 cut-off events. [2021-03-11 06:44:00,488 INFO L130 PetriNetUnfolder]: For 7172/7172 co-relation queries the response was YES. [2021-03-11 06:44:00,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8044 conditions, 826 events. 317/826 cut-off events. For 7172/7172 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5498 event pairs, 0 based on Foata normal form. 4/830 useless extension candidates. Maximal degree in co-relation 7984. Up to 207 conditions per place. [2021-03-11 06:44:00,495 INFO L132 encePairwiseOnDemand]: 11/23 looper letters, 2 selfloop transitions, 601 changer transitions 4/614 dead transitions. [2021-03-11 06:44:00,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 614 transitions, 13156 flow [2021-03-11 06:44:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-11 06:44:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-03-11 06:44:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 426 transitions. [2021-03-11 06:44:00,504 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5144927536231884 [2021-03-11 06:44:00,504 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 426 transitions. [2021-03-11 06:44:00,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 426 transitions. [2021-03-11 06:44:00,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:44:00,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 426 transitions. [2021-03-11 06:44:00,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 11.833333333333334) internal successors, (426), 36 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:00,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 23.0) internal successors, (851), 37 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:00,506 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 23.0) internal successors, (851), 37 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:00,506 INFO L185 Difference]: Start difference. First operand has 272 places, 599 transitions, 11694 flow. Second operand 36 states and 426 transitions. [2021-03-11 06:44:00,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 614 transitions, 13156 flow [2021-03-11 06:44:00,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 614 transitions, 12847 flow, removed 92 selfloop flow, removed 18 redundant places. [2021-03-11 06:44:00,627 INFO L241 Difference]: Finished difference. Result has 287 places, 610 transitions, 12790 flow [2021-03-11 06:44:00,628 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=11388, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=587, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=12790, PETRI_PLACES=287, PETRI_TRANSITIONS=610} [2021-03-11 06:44:00,628 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 263 predicate places. [2021-03-11 06:44:00,628 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 610 transitions, 12790 flow [2021-03-11 06:44:00,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.35) internal successors, (227), 20 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:00,628 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:44:00,628 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:44:00,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 06:44:00,850 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:44:00,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:44:00,850 INFO L82 PathProgramCache]: Analyzing trace with hash -777183033, now seen corresponding path program 27 times [2021-03-11 06:44:00,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:44:00,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765714788] [2021-03-11 06:44:00,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:44:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:44:00,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:00,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:00,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:44:00,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:00,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:44:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:00,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:00,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:00,914 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:44:00,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:00,927 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:44:00,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:00,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765714788] [2021-03-11 06:44:00,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176515406] [2021-03-11 06:44:00,939 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 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 [2021-03-11 06:44:00,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 06:44:00,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:44:00,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-11 06:44:00,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:44:00,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:00,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:00,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:00,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:00,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:00,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:00,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:00,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:00,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:00,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:00,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:01,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:44:01,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:44:01,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:44:01,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 06:44:01,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:01,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:01,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:01,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:01,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:01,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:01,054 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 06:44:01,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:01,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:01,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:01,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:01,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:44:01,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:01,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 06:44:01,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,136 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:44:01,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:01,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:01,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:01,180 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 06:44:01,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:44:01,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:01,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 06:44:01,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:01,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:01,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:01,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:01,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:44:01,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:44:01,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860394217] [2021-03-11 06:44:01,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:44:01,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:44:01,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:44:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:44:01,187 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:44:01,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 610 transitions, 12790 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:01,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:44:01,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:44:01,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:44:01,810 INFO L129 PetriNetUnfolder]: 354/978 cut-off events. [2021-03-11 06:44:01,810 INFO L130 PetriNetUnfolder]: For 8581/8583 co-relation queries the response was YES. [2021-03-11 06:44:01,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9918 conditions, 978 events. 354/978 cut-off events. For 8581/8583 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7009 event pairs, 0 based on Foata normal form. 6/984 useless extension candidates. Maximal degree in co-relation 9857. Up to 638 conditions per place. [2021-03-11 06:44:01,819 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 582 selfloop transitions, 77 changer transitions 56/722 dead transitions. [2021-03-11 06:44:01,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 722 transitions, 16553 flow [2021-03-11 06:44:01,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-11 06:44:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-11 06:44:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 286 transitions. [2021-03-11 06:44:01,832 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5406427221172023 [2021-03-11 06:44:01,832 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 286 transitions. [2021-03-11 06:44:01,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 286 transitions. [2021-03-11 06:44:01,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:44:01,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 286 transitions. [2021-03-11 06:44:01,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 12.434782608695652) internal successors, (286), 23 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:01,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 23.0) internal successors, (552), 24 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:01,833 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 23.0) internal successors, (552), 24 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:01,833 INFO L185 Difference]: Start difference. First operand has 287 places, 610 transitions, 12790 flow. Second operand 23 states and 286 transitions. [2021-03-11 06:44:01,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 722 transitions, 16553 flow [2021-03-11 06:44:01,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 722 transitions, 15066 flow, removed 119 selfloop flow, removed 39 redundant places. [2021-03-11 06:44:01,974 INFO L241 Difference]: Finished difference. Result has 274 places, 614 transitions, 12009 flow [2021-03-11 06:44:01,975 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=11539, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=12009, PETRI_PLACES=274, PETRI_TRANSITIONS=614} [2021-03-11 06:44:01,975 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 250 predicate places. [2021-03-11 06:44:01,975 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 614 transitions, 12009 flow [2021-03-11 06:44:01,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:01,975 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:44:01,975 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:44:02,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-11 06:44:02,185 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:44:02,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:44:02,185 INFO L82 PathProgramCache]: Analyzing trace with hash -804977655, now seen corresponding path program 28 times [2021-03-11 06:44:02,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:44:02,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032807389] [2021-03-11 06:44:02,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:44:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:44:02,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:02,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:02,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:44:02,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:02,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 06:44:02,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:02,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:02,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:02,266 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:44:02,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,284 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:44:02,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:02,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032807389] [2021-03-11 06:44:02,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880173158] [2021-03-11 06:44:02,301 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 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 [2021-03-11 06:44:02,325 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 06:44:02,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:44:02,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-11 06:44:02,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:44:02,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:02,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:02,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:02,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:02,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:02,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:02,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:02,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:02,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:02,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,394 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:02,394 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,412 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:02,412 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,451 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:44:02,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:02,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:02,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:02,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:02,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:02,474 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:44:02,475 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:44:02,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:02,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:02,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:02,506 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:44:02,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:02,535 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:44:02,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:02,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:02,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:02,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:44:02,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:02,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:02,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:02,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:44:02,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-11 06:44:02,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838567387] [2021-03-11 06:44:02,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:44:02,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:44:02,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:44:02,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:44:02,554 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:44:02,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 614 transitions, 12009 flow. Second operand has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:02,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:44:02,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:44:02,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:44:03,162 INFO L129 PetriNetUnfolder]: 335/882 cut-off events. [2021-03-11 06:44:03,162 INFO L130 PetriNetUnfolder]: For 7814/7816 co-relation queries the response was YES. [2021-03-11 06:44:03,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8631 conditions, 882 events. 335/882 cut-off events. For 7814/7816 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5967 event pairs, 0 based on Foata normal form. 8/890 useless extension candidates. Maximal degree in co-relation 8571. Up to 602 conditions per place. [2021-03-11 06:44:03,171 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 483 selfloop transitions, 158 changer transitions 20/668 dead transitions. [2021-03-11 06:44:03,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 668 transitions, 14428 flow [2021-03-11 06:44:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 06:44:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 06:44:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 312 transitions. [2021-03-11 06:44:03,172 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2021-03-11 06:44:03,172 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 312 transitions. [2021-03-11 06:44:03,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 312 transitions. [2021-03-11 06:44:03,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:44:03,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 312 transitions. [2021-03-11 06:44:03,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.0) internal successors, (312), 26 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) [2021-03-11 06:44:03,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 23.0) internal successors, (621), 27 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:03,174 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 23.0) internal successors, (621), 27 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:03,174 INFO L185 Difference]: Start difference. First operand has 274 places, 614 transitions, 12009 flow. Second operand 26 states and 312 transitions. [2021-03-11 06:44:03,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 668 transitions, 14428 flow [2021-03-11 06:44:03,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 668 transitions, 14137 flow, removed 98 selfloop flow, removed 19 redundant places. [2021-03-11 06:44:03,302 INFO L241 Difference]: Finished difference. Result has 275 places, 631 transitions, 12645 flow [2021-03-11 06:44:03,302 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=11790, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=12645, PETRI_PLACES=275, PETRI_TRANSITIONS=631} [2021-03-11 06:44:03,303 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 251 predicate places. [2021-03-11 06:44:03,303 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 631 transitions, 12645 flow [2021-03-11 06:44:03,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.285714285714286) internal successors, (237), 21 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:03,303 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:44:03,303 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:44:03,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-03-11 06:44:03,525 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:44:03,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:44:03,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1755967029, now seen corresponding path program 29 times [2021-03-11 06:44:03,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:44:03,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821812709] [2021-03-11 06:44:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:44:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:44:03,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:03,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:03,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:03,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:03,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 06:44:03,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:03,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:03,599 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:44:03,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,611 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:44:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-11 06:44:03,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821812709] [2021-03-11 06:44:03,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237257477] [2021-03-11 06:44:03,622 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 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 [2021-03-11 06:44:03,637 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-11 06:44:03,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:44:03,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-11 06:44:03,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:44:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:03,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:03,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,683 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:44:03,683 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:44:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:03,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,733 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:03,734 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,791 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-11 06:44:03,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 06:44:03,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,818 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:44:03,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:03,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:03,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:03,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:03,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:03,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:03,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:03,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:03,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:03,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:03,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:03,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:03,876 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:44:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:03,911 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:44:03,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:03,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:03,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:44:03,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:03,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:03,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:44:03,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-03-11 06:44:03,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784104339] [2021-03-11 06:44:03,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:44:03,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:44:03,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:44:03,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:44:03,916 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:44:03,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 631 transitions, 12645 flow. Second operand has 21 states, 21 states have (on average 11.476190476190476) internal successors, (241), 21 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:03,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:44:03,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:44:03,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:44:04,591 INFO L129 PetriNetUnfolder]: 350/910 cut-off events. [2021-03-11 06:44:04,591 INFO L130 PetriNetUnfolder]: For 7185/7185 co-relation queries the response was YES. [2021-03-11 06:44:04,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9007 conditions, 910 events. 350/910 cut-off events. For 7185/7185 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6134 event pairs, 0 based on Foata normal form. 6/916 useless extension candidates. Maximal degree in co-relation 8949. Up to 329 conditions per place. [2021-03-11 06:44:04,598 INFO L132 encePairwiseOnDemand]: 13/23 looper letters, 175 selfloop transitions, 495 changer transitions 2/679 dead transitions. [2021-03-11 06:44:04,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 679 transitions, 14825 flow [2021-03-11 06:44:04,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-11 06:44:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-11 06:44:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 350 transitions. [2021-03-11 06:44:04,599 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5247376311844077 [2021-03-11 06:44:04,599 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 350 transitions. [2021-03-11 06:44:04,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 350 transitions. [2021-03-11 06:44:04,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:44:04,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 350 transitions. [2021-03-11 06:44:04,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 12.068965517241379) internal successors, (350), 29 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:04,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 23.0) internal successors, (690), 30 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:04,600 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 23.0) internal successors, (690), 30 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:04,600 INFO L185 Difference]: Start difference. First operand has 275 places, 631 transitions, 12645 flow. Second operand 29 states and 350 transitions. [2021-03-11 06:44:04,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 679 transitions, 14825 flow [2021-03-11 06:44:04,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 679 transitions, 14223 flow, removed 60 selfloop flow, removed 27 redundant places. [2021-03-11 06:44:04,731 INFO L241 Difference]: Finished difference. Result has 276 places, 677 transitions, 14283 flow [2021-03-11 06:44:04,731 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=12098, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=453, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=14283, PETRI_PLACES=276, PETRI_TRANSITIONS=677} [2021-03-11 06:44:04,731 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 252 predicate places. [2021-03-11 06:44:04,731 INFO L480 AbstractCegarLoop]: Abstraction has has 276 places, 677 transitions, 14283 flow [2021-03-11 06:44:04,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.476190476190476) internal successors, (241), 21 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:04,731 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:44:04,731 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:44:04,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-11 06:44:04,932 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:44:04,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:44:04,932 INFO L82 PathProgramCache]: Analyzing trace with hash 580108007, now seen corresponding path program 30 times [2021-03-11 06:44:04,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:44:04,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75382675] [2021-03-11 06:44:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:44:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:44:04,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:04,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:04,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:04,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:04,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:04,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:04,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:04,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:04,996 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:44:04,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,012 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:44:05,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:05,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75382675] [2021-03-11 06:44:05,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548986897] [2021-03-11 06:44:05,028 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 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 [2021-03-11 06:44:05,056 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-11 06:44:05,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 06:44:05,056 WARN L261 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-11 06:44:05,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:44:05,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:05,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:05,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:05,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:05,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,095 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-11 06:44:05,096 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 06:44:05,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:05,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,138 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:05,139 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,163 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:05,164 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:05,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,215 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-11 06:44:05,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:05,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:05,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:05,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 06:44:05,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:05,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:05,246 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-11 06:44:05,247 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-11 06:44:05,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:05,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:05,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:05,279 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:44:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:05,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:05,308 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:44:05,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:05,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:05,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:05,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:44:05,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:05,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:05,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:05,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:44:05,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-03-11 06:44:05,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432805977] [2021-03-11 06:44:05,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:44:05,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:44:05,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:44:05,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:44:05,314 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:44:05,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 677 transitions, 14283 flow. Second operand has 21 states, 21 states have (on average 11.476190476190476) internal successors, (241), 21 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:05,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:44:05,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:44:05,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:44:06,174 INFO L129 PetriNetUnfolder]: 350/941 cut-off events. [2021-03-11 06:44:06,174 INFO L130 PetriNetUnfolder]: For 7689/7691 co-relation queries the response was YES. [2021-03-11 06:44:06,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9788 conditions, 941 events. 350/941 cut-off events. For 7689/7691 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6602 event pairs, 0 based on Foata normal form. 8/949 useless extension candidates. Maximal degree in co-relation 9727. Up to 253 conditions per place. [2021-03-11 06:44:06,181 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 11 selfloop transitions, 687 changer transitions 2/707 dead transitions. [2021-03-11 06:44:06,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 707 transitions, 16170 flow [2021-03-11 06:44:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-11 06:44:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-11 06:44:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 413 transitions. [2021-03-11 06:44:06,183 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5130434782608696 [2021-03-11 06:44:06,183 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 413 transitions. [2021-03-11 06:44:06,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 413 transitions. [2021-03-11 06:44:06,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:44:06,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 413 transitions. [2021-03-11 06:44:06,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 11.8) internal successors, (413), 35 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) [2021-03-11 06:44:06,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 23.0) internal successors, (828), 36 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) [2021-03-11 06:44:06,184 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 23.0) internal successors, (828), 36 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) [2021-03-11 06:44:06,184 INFO L185 Difference]: Start difference. First operand has 276 places, 677 transitions, 14283 flow. Second operand 35 states and 413 transitions. [2021-03-11 06:44:06,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 707 transitions, 16170 flow [2021-03-11 06:44:06,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 707 transitions, 16041 flow, removed 30 selfloop flow, removed 14 redundant places. [2021-03-11 06:44:06,305 INFO L241 Difference]: Finished difference. Result has 298 places, 705 transitions, 16013 flow [2021-03-11 06:44:06,305 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=14154, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=659, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=16013, PETRI_PLACES=298, PETRI_TRANSITIONS=705} [2021-03-11 06:44:06,306 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 274 predicate places. [2021-03-11 06:44:06,306 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 705 transitions, 16013 flow [2021-03-11 06:44:06,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.476190476190476) internal successors, (241), 21 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:06,306 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 06:44:06,306 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 06:44:06,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-11 06:44:06,519 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 06:44:06,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 06:44:06,520 INFO L82 PathProgramCache]: Analyzing trace with hash 151232075, now seen corresponding path program 31 times [2021-03-11 06:44:06,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 06:44:06,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003903334] [2021-03-11 06:44:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 06:44:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:44:06,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 06:44:06,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 06:44:06,591 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-11 06:44:06,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,606 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-11 06:44:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003903334] [2021-03-11 06:44:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655420035] [2021-03-11 06:44:06,620 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 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 [2021-03-11 06:44:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 06:44:06,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-11 06:44:06,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 06:44:06,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:06,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:06,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:06,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 06:44:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 06:44:06,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 06:44:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,713 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:06,713 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,730 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-11 06:44:06,731 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 06:44:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,747 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:44:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:06,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:06,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:06,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 06:44:06,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 06:44:06,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:06,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:06,815 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 06:44:06,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:06,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 06:44:06,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 06:44:06,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 06:44:06,854 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 06:44:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 06:44:06,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 06:44:06,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 06:44:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 06:44:06,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:06,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 06:44:06,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 06:44:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 06:44:06,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 06:44:06,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-03-11 06:44:06,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493977319] [2021-03-11 06:44:06,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 06:44:06,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 06:44:06,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 06:44:06,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2021-03-11 06:44:06,860 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 23 [2021-03-11 06:44:06,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 705 transitions, 16013 flow. Second operand has 21 states, 21 states have (on average 11.476190476190476) internal successors, (241), 21 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:06,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 06:44:06,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 23 [2021-03-11 06:44:06,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 06:44:07,534 INFO L129 PetriNetUnfolder]: 350/921 cut-off events. [2021-03-11 06:44:07,535 INFO L130 PetriNetUnfolder]: For 8024/8024 co-relation queries the response was YES. [2021-03-11 06:44:07,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10535 conditions, 921 events. 350/921 cut-off events. For 8024/8024 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6430 event pairs, 0 based on Foata normal form. 6/927 useless extension candidates. Maximal degree in co-relation 10472. Up to 312 conditions per place. [2021-03-11 06:44:07,540 INFO L132 encePairwiseOnDemand]: 12/23 looper letters, 0 selfloop transitions, 0 changer transitions 717/717 dead transitions. [2021-03-11 06:44:07,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 717 transitions, 17709 flow [2021-03-11 06:44:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-11 06:44:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-11 06:44:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 303 transitions. [2021-03-11 06:44:07,541 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5269565217391304 [2021-03-11 06:44:07,541 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 303 transitions. [2021-03-11 06:44:07,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 303 transitions. [2021-03-11 06:44:07,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 06:44:07,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 303 transitions. [2021-03-11 06:44:07,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 12.12) internal successors, (303), 25 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:07,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 23.0) internal successors, (598), 26 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:07,542 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 23.0) internal successors, (598), 26 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:07,542 INFO L185 Difference]: Start difference. First operand has 298 places, 705 transitions, 16013 flow. Second operand 25 states and 303 transitions. [2021-03-11 06:44:07,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 717 transitions, 17709 flow [2021-03-11 06:44:07,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 717 transitions, 17505 flow, removed 49 selfloop flow, removed 18 redundant places. [2021-03-11 06:44:07,667 INFO L241 Difference]: Finished difference. Result has 299 places, 0 transitions, 0 flow [2021-03-11 06:44:07,667 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=15815, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=0, PETRI_PLACES=299, PETRI_TRANSITIONS=0} [2021-03-11 06:44:07,667 INFO L335 CegarLoopForPetriNet]: 24 programPoint places, 275 predicate places. [2021-03-11 06:44:07,667 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 0 transitions, 0 flow [2021-03-11 06:44:07,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.476190476190476) internal successors, (241), 21 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 06:44:07,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-11 06:44:07,886 INFO L202 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 06:44:07 BasicIcfg [2021-03-11 06:44:07,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 06:44:07,887 INFO L168 Benchmark]: Toolchain (without parser) took 43700.71 ms. Allocated memory was 255.9 MB in the beginning and 448.8 MB in the end (delta: 192.9 MB). Free memory was 237.0 MB in the beginning and 234.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 195.3 MB. Max. memory is 16.0 GB. [2021-03-11 06:44:07,887 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 06:44:07,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.45 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 06:44:07,887 INFO L168 Benchmark]: Boogie Preprocessor took 15.08 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 905.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 06:44:07,887 INFO L168 Benchmark]: RCFGBuilder took 202.35 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 238.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.0 GB. [2021-03-11 06:44:07,887 INFO L168 Benchmark]: TraceAbstraction took 43454.84 ms. Allocated memory was 255.9 MB in the beginning and 448.8 MB in the end (delta: 192.9 MB). Free memory was 238.4 MB in the beginning and 234.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 196.0 MB. Max. memory is 16.0 GB. [2021-03-11 06:44:07,888 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 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.45 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.08 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 905.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 202.35 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 238.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 43454.84 ms. Allocated memory was 255.9 MB in the beginning and 448.8 MB in the end (delta: 192.9 MB). Free memory was 238.4 MB in the beginning and 234.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 196.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 43365.3ms, OverallIterations: 37, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 22879.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 46.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 221 SDtfs, 1981 SDslu, 287 SDs, 0 SdLazy, 11035 SolverSat, 537 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4515.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1675 GetRequests, 389 SyntacticMatches, 35 SemanticMatches, 1251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11843 ImplicationChecksByTransitivity, 19816.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16013occurred in iteration=36, InterpolantAutomatonStates: 913, 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: 103.7ms SsaConstructionTime, 317.9ms SatisfiabilityAnalysisTime, 11886.1ms InterpolantComputationTime, 1448 NumberOfCodeBlocks, 1448 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 1376 ConstructedInterpolants, 0 QuantifiedInterpolants, 17354 SizeOfPredicates, 175 NumberOfNonLiveVariables, 1471 ConjunctsInSsa, 675 ConjunctsInUnsatCore, 72 InterpolantComputations, 2 PerfectInterpolantSequences, 7/300 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 proved your program to be correct! Received shutdown request...