/usr/bin/java -Xmx8000000000 -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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/NonAtomicIncrement_2Threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 09:01:52,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 09:01:52,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 09:01:52,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 09:01:52,290 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-MCRwithoutDepranks.epf [2022-02-10 09:01:52,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 09:01:52,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 09:01:52,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 09:01:52,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 09:01:52,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 09:01:52,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 09:01:52,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 09:01:52,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 09:01:52,314 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 09:01:52,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 09:01:52,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 09:01:52,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 09:01:52,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 09:01:52,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 09:01:52,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 09:01:52,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 09:01:52,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 09:01:52,317 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 09:01:52,318 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 09:01:52,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 09:01:52,318 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 09:01:52,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 09:01:52,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 09:01:52,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 09:01:52,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 09:01:52,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-10 09:01:52,580 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-10 09:01:52,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/NonAtomicIncrement_2Threads.bpl [2022-02-10 09:01:52,581 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/NonAtomicIncrement_2Threads.bpl' [2022-02-10 09:01:52,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 09:01:52,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-10 09:01:52,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 09:01:52,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 09:01:52,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 09:01:52,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,629 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-10 09:01:52,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 09:01:52,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 09:01:52,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 09:01:52,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 09:01:52,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 09:01:52,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 09:01:52,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 09:01:52,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 09:01:52,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/1) ... [2022-02-10 09:01:52,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 09:01:52,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 09:01:52,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 09:01:52,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 09:01:52,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-10 09:01:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 09:01:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 09:01:52,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure IncrementProcess1 given in one single declaration [2022-02-10 09:01:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure IncrementProcess1 [2022-02-10 09:01:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure IncrementProcess1 [2022-02-10 09:01:52,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure IncrementProcess2 given in one single declaration [2022-02-10 09:01:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure IncrementProcess2 [2022-02-10 09:01:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure IncrementProcess2 [2022-02-10 09:01:52,749 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 09:01:52,787 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 09:01:52,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 09:01:52,852 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 09:01:52,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 09:01:52,858 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 09:01:52,859 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:01:52 BoogieIcfgContainer [2022-02-10 09:01:52,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 09:01:52,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 09:01:52,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 09:01:52,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 09:01:52,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 09:01:52" (1/2) ... [2022-02-10 09:01:52,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4e0262 and model type NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:01:52, skipping insertion in model container [2022-02-10 09:01:52,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:01:52" (2/2) ... [2022-02-10 09:01:52,867 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.bpl [2022-02-10 09:01:52,870 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 09:01:52,870 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 09:01:52,870 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 09:01:52,871 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 09:01:52,911 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,911 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,912 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,912 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,912 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,913 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,913 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,913 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,913 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,914 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,914 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,914 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,915 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,915 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,915 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,915 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,916 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,916 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,916 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,916 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,916 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,930 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,931 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,931 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,934 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,935 WARN L322 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 09:01:52,937 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-10 09:01:52,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 09:01:52,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 09:01:52,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-10 09:01:52,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-10 09:01:53,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 09:01:53,022 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 09:01:53,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 09:01:53,028 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 26 transitions, 74 flow [2022-02-10 09:01:53,044 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 92 states, 91 states have (on average 1.7802197802197801) internal successors, (162), 91 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:53,076 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-02-10 09:01:53,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:53,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1618376054, now seen corresponding path program 1 times [2022-02-10 09:01:53,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:53,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009889229] [2022-02-10 09:01:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:53,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:53,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:53,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009889229] [2022-02-10 09:01:53,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009889229] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:53,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:53,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 09:01:53,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307208944] [2022-02-10 09:01:53,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:53,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 09:01:53,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:53,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 09:01:53,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 09:01:53,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:53,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:53,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:53,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:53,266 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-02-10 09:01:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:53,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 09:01:53,267 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:53,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:53,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1618376984, now seen corresponding path program 1 times [2022-02-10 09:01:53,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:53,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388581953] [2022-02-10 09:01:53,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:53,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:53,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:53,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388581953] [2022-02-10 09:01:53,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388581953] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:53,439 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:53,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-10 09:01:53,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682791007] [2022-02-10 09:01:53,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:53,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-10 09:01:53,441 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:53,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-10 09:01:53,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-02-10 09:01:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:53,442 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:53,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:53,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:53,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:53,918 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 280 transitions and produced 281 states. [2022-02-10 09:01:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 09:01:53,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 09:01:53,919 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:53,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash -424960010, now seen corresponding path program 2 times [2022-02-10 09:01:53,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:53,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483997836] [2022-02-10 09:01:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:53,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:54,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:54,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483997836] [2022-02-10 09:01:54,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483997836] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:54,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:54,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 09:01:54,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270035481] [2022-02-10 09:01:54,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:54,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-10 09:01:54,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-10 09:01:54,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-02-10 09:01:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:54,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:54,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-10 09:01:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:54,794 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1659 transitions and produced 1660 states. [2022-02-10 09:01:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 09:01:54,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 09:01:54,796 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:54,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:54,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1499727606, now seen corresponding path program 3 times [2022-02-10 09:01:54,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:54,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715386185] [2022-02-10 09:01:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:54,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:54,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:54,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715386185] [2022-02-10 09:01:54,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715386185] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:54,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:54,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 09:01:54,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701752306] [2022-02-10 09:01:54,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:54,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 09:01:54,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:54,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 09:01:54,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-10 09:01:54,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:54,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:54,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:54,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:54,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:54,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-10 09:01:54,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:55,498 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2146 transitions and produced 2147 states. [2022-02-10 09:01:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 09:01:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:55,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 09:01:55,500 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:55,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:55,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1753927636, now seen corresponding path program 4 times [2022-02-10 09:01:55,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:55,500 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921237442] [2022-02-10 09:01:55,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:55,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:55,558 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:55,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921237442] [2022-02-10 09:01:55,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921237442] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:55,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:55,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 09:01:55,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339040665] [2022-02-10 09:01:55,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:55,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 09:01:55,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:55,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 09:01:55,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-10 09:01:55,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:55,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:55,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:55,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:55,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-10 09:01:55,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:55,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:56,401 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2899 transitions and produced 2900 states. [2022-02-10 09:01:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 09:01:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:56,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 09:01:56,402 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:56,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2068561042, now seen corresponding path program 5 times [2022-02-10 09:01:56,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:56,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722713185] [2022-02-10 09:01:56,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:56,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:56,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:56,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722713185] [2022-02-10 09:01:56,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722713185] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:56,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:56,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 09:01:56,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090233993] [2022-02-10 09:01:56,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:56,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 09:01:56,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:56,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 09:01:56,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-10 09:01:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:56,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:56,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-10 09:01:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:58,670 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11110 transitions and produced 11033 states. [2022-02-10 09:01:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 09:01:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 09:01:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:58,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 09:01:58,672 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:58,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash -289036110, now seen corresponding path program 6 times [2022-02-10 09:01:58,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:58,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680427304] [2022-02-10 09:01:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:58,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:58,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:58,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680427304] [2022-02-10 09:01:58,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680427304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:58,712 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:58,712 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 09:01:58,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541184340] [2022-02-10 09:01:58,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:58,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 09:01:58,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:58,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 09:01:58,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-10 09:01:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:58,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:58,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:58,908 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 568 transitions and produced 569 states. [2022-02-10 09:01:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 09:01:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 09:01:58,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:58,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:58,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 09:01:58,909 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1540701260, now seen corresponding path program 7 times [2022-02-10 09:01:58,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:58,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779220447] [2022-02-10 09:01:58,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:58,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 09:01:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 09:01:58,971 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 09:01:58,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779220447] [2022-02-10 09:01:58,971 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779220447] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 09:01:58,971 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 09:01:58,971 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 09:01:58,971 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516649573] [2022-02-10 09:01:58,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 09:01:58,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 09:01:58,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 09:01:58,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 09:01:58,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-10 09:01:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:58,973 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 09:01:58,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 09:01:59,400 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 702 transitions and produced 703 states. [2022-02-10 09:01:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 09:01:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 09:01:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 09:01:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 09:01:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 09:01:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 09:01:59,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 09:01:59,401 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 09:01:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 09:01:59,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1391858612, now seen corresponding path program 8 times [2022-02-10 09:01:59,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 09:01:59,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523442860] [2022-02-10 09:01:59,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 09:01:59,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 09:01:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 09:01:59,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 09:01:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 09:01:59,427 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 09:01:59,428 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 09:01:59,428 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-10 09:01:59,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 09:01:59,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 09:01:59,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 09:01:59,435 INFO L732 BasicCegarLoop]: Path program histogram: [8, 1] [2022-02-10 09:01:59,439 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 09:01:59,439 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 09:01:59,448 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:01:59 BasicIcfg [2022-02-10 09:01:59,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 09:01:59,449 INFO L158 Benchmark]: Toolchain (without parser) took 6839.79ms. Allocated memory was 209.7MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 171.8MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 363.7MB. Max. memory is 8.0GB. [2022-02-10 09:01:59,449 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 09:01:59,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.64ms. Allocated memory is still 209.7MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 09:01:59,449 INFO L158 Benchmark]: Boogie Preprocessor took 12.34ms. Allocated memory is still 209.7MB. Free memory was 170.2MB in the beginning and 169.3MB in the end (delta: 895.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 09:01:59,450 INFO L158 Benchmark]: RCFGBuilder took 215.03ms. Allocated memory is still 209.7MB. Free memory was 169.3MB in the beginning and 160.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-10 09:01:59,450 INFO L158 Benchmark]: TraceAbstraction took 6587.31ms. Allocated memory was 209.7MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 160.4MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 352.2MB. Max. memory is 8.0GB. [2022-02-10 09:01:59,451 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 0.10ms. Allocated memory is still 209.7MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.64ms. Allocated memory is still 209.7MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.34ms. Allocated memory is still 209.7MB. Free memory was 170.2MB in the beginning and 169.3MB in the end (delta: 895.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 215.03ms. Allocated memory is still 209.7MB. Free memory was 169.3MB in the beginning and 160.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 6587.31ms. Allocated memory was 209.7MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 160.4MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 352.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 28]: assertion can be violated assertion can be violated We found a FailurePath: [L22] 0 x := 0; VAL [x=0] [L24] FORK 0 fork 1 IncrementProcess1(); VAL [x=0] [L25] FORK 0 fork 2 IncrementProcess2(); VAL [x=0] [L38] 1 localx := x; VAL [localx=0, x=0] [L54] 2 localx := x; VAL [localx=0, localx=0, x=0] [L39] 1 x := localx + 1; VAL [localx=0, localx=0, x=1] [L41] 1 localx := x; VAL [localx=0, localx=1, x=1] [L42] 1 x := localx + 1; VAL [localx=0, localx=1, x=2] [L55] 2 x := localx + 1; VAL [localx=0, localx=1, x=1] [L44] 1 localx := x; VAL [localx=0, localx=1, x=1] [L57] 2 localx := x; VAL [localx=1, localx=1, x=1] [L58] 2 x := localx + 1; VAL [localx=1, localx=1, x=2] [L60] 2 localx := x; VAL [localx=2, localx=1, x=2] [L61] 2 x := localx + 1; VAL [localx=2, localx=1, x=3] [L45] 1 x := localx + 1; VAL [localx=2, localx=1, x=2] [L26] JOIN 1 join 1; VAL [localx=2, localx=1, x=2] [L27] JOIN 2 join 2; VAL [localx=2, localx=1, x=2] [L28] 0 assert x >= 3; VAL [localx=2, localx=1, x=2] - UnprovableResult [Line: 24]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 incorrect! [2022-02-10 09:01:59,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-10 09:01:59,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...