/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:03:32,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:03:32,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:03:32,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:03:32,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:03:32,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:03:32,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:03:32,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:03:32,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:03:32,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:03:32,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:03:32,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:03:32,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:03:32,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:03:32,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:03:32,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:03:32,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:03:32,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:03:32,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:03:32,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:03:32,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:03:32,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:03:32,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:03:32,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:03:32,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:03:32,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:03:32,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:03:32,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:03:32,595 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 11:03:32,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:03:32,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:03:32,626 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:03:32,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:03:32,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:03:32,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:03:32,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:03:32,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:03:32,627 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:03:32,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:03:32,628 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:03:32,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:03:32,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:03:32,629 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:03:32,630 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:03:32,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:03:32,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:03:32,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:03:32,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:03:32,829 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:03:32,830 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:03:32,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2022-03-16 11:03:32,831 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-03-16 11:03:32,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:03:32,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:03:32,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:03:32,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:03:32,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:03:32,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,886 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:03:32,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:03:32,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:03:32,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:03:32,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:03:32,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:03:32,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:03:32,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:03:32,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:03:32,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/1) ... [2022-03-16 11:03:32,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:03:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:03:32,931 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) [2022-03-16 11:03:32,939 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 [2022-03-16 11:03:32,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:03:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:03:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:03:32,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:03:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:03:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:03:32,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:03:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:03:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:03:32,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:03:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:03:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:03:32,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 11:03:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 11:03:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 11:03:32,963 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 11:03:33,011 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:03:33,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:03:33,117 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:03:33,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:03:33,134 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-16 11:03:33,134 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-03-16 11:03:33,135 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-03-16 11:03:33,135 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-03-16 11:03:33,136 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:03:33 BoogieIcfgContainer [2022-03-16 11:03:33,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:03:33,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:03:33,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:03:33,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:03:33,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:32" (1/2) ... [2022-03-16 11:03:33,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84aede and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:03:33, skipping insertion in model container [2022-03-16 11:03:33,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:03:33" (2/2) ... [2022-03-16 11:03:33,142 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-03-16 11:03:33,151 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:03:33,151 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:03:33,151 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:03:33,151 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:03:33,197 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-03-16 11:03:33,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:03:33,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:03:33,227 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) [2022-03-16 11:03:33,270 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 [2022-03-16 11:03:33,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:03:33,308 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=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 11:03:33,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-16 11:03:33,365 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 176 states. [2022-03-16 11:03:33,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-16 11:03:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:03:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash -827380568, now seen corresponding path program 1 times [2022-03-16 11:03:33,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:03:33,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672636626] [2022-03-16 11:03:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:03:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:03:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:03:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:33,715 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:03:33,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672636626] [2022-03-16 11:03:33,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672636626] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:03:33,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065897890] [2022-03-16 11:03:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:03:33,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:03:33,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:03:33,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:03:33,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 11:03:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:03:33,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 11:03:33,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:03:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:34,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:03:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:34,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065897890] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:03:34,214 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:03:34,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 32 [2022-03-16 11:03:34,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061566940] [2022-03-16 11:03:34,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:03:34,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-16 11:03:34,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:03:34,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-16 11:03:34,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-03-16 11:03:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:03:34,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:03:34,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.5) internal successors, (80), 32 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:03:34,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:03:34,706 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 172 states. [2022-03-16 11:03:34,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 11:03:34,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 11:03:34,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 11:03:34,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-16 11:03:34,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:03:34,920 INFO L85 PathProgramCache]: Analyzing trace with hash -210262169, now seen corresponding path program 1 times [2022-03-16 11:03:34,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:03:34,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653164208] [2022-03-16 11:03:34,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:03:34,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:03:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:03:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:35,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:03:35,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653164208] [2022-03-16 11:03:35,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653164208] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:03:35,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799863646] [2022-03-16 11:03:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:03:35,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:03:35,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:03:35,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:03:35,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 11:03:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:03:35,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-16 11:03:35,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:03:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:35,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:03:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:35,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799863646] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:03:35,584 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:03:35,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 37 [2022-03-16 11:03:35,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649236983] [2022-03-16 11:03:35,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:03:35,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-16 11:03:35,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:03:35,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-16 11:03:35,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2022-03-16 11:03:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:03:35,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:03:35,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.4324324324324325) internal successors, (90), 37 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:03:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-16 11:03:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:03:36,074 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 213 transitions and produced 203 states. [2022-03-16 11:03:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 11:03:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:03:36,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 11:03:36,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:03:36,275 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-16 11:03:36,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:03:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 2 times [2022-03-16 11:03:36,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:03:36,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563706083] [2022-03-16 11:03:36,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:03:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:03:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:03:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:38,987 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:03:38,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563706083] [2022-03-16 11:03:38,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563706083] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:03:38,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725888146] [2022-03-16 11:03:38,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:03:38,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:03:38,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:03:39,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:03:39,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 11:03:39,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:03:39,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:03:39,070 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-16 11:03:39,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:03:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:03:44,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:44,850 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 63 [2022-03-16 11:03:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:03:44,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:03:57,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:03:57,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:04:00,053 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:04:00,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 110 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 121 case distinctions, treesize of input 181 treesize of output 1242 [2022-03-16 11:06:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:06:35,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725888146] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:06:35,887 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:06:35,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 137 [2022-03-16 11:06:35,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675952797] [2022-03-16 11:06:35,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:06:35,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-03-16 11:06:35,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:06:35,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-03-16 11:06:35,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=17733, Unknown=0, NotChecked=0, Total=18632 [2022-03-16 11:06:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:06:35,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:06:35,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 1.1094890510948905) internal successors, (152), 137 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:06:35,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-16 11:06:35,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:06:35,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:06:47,869 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 215 states. [2022-03-16 11:06:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 11:06:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:06:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:06:47,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 11:06:48,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:06:48,070 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-16 11:06:48,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:06:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 3 times [2022-03-16 11:06:48,071 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:06:48,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361635440] [2022-03-16 11:06:48,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:06:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:06:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:06:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:06:51,263 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:06:51,263 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361635440] [2022-03-16 11:06:51,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361635440] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:06:51,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764118513] [2022-03-16 11:06:51,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:06:51,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:06:51,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:06:51,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:06:51,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 11:06:51,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-03-16 11:06:51,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:06:51,345 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-03-16 11:06:51,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:07:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:07:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:07:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:07:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:07:08,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:07:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:07:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:07:08,696 INFO L244 Elim1Store]: Index analysis took 136 ms [2022-03-16 11:07:09,884 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:07:09,885 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 60 disjoint index pairs (out of 276 index pairs), introduced 18 new quantified variables, introduced 165 case distinctions, treesize of input 170 treesize of output 1102 [2022-03-16 11:12:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:12:14,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-16 11:17:55,273 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:17:55,273 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:17:55,276 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:17:56,299 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 [2022-03-16 11:17:56,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 11:17:56,473 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-03-16 11:17:56,548 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 137 [2022-03-16 11:17:56,550 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-03-16 11:17:56,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 11:17:56,551 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2022-03-16 11:17:56,552 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-03-16 11:17:56,552 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-03-16 11:17:56,552 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-03-16 11:17:56,552 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-03-16 11:17:56,553 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-03-16 11:17:56,553 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-03-16 11:17:56,557 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2022-03-16 11:17:56,558 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:17:56,558 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:17:56,560 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:17:56 BasicIcfg [2022-03-16 11:17:56,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:17:56,561 INFO L158 Benchmark]: Toolchain (without parser) took 863699.93ms. Allocated memory was 188.7MB in the beginning and 893.4MB in the end (delta: 704.6MB). Free memory was 147.4MB in the beginning and 647.9MB in the end (delta: -500.5MB). Peak memory consumption was 206.7MB. Max. memory is 8.0GB. [2022-03-16 11:17:56,561 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:17:56,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.56ms. Allocated memory is still 188.7MB. Free memory was 147.3MB in the beginning and 145.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:17:56,562 INFO L158 Benchmark]: Boogie Preprocessor took 12.97ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 908.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:17:56,562 INFO L158 Benchmark]: RCFGBuilder took 234.27ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 134.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 11:17:56,562 INFO L158 Benchmark]: TraceAbstraction took 863422.17ms. Allocated memory was 188.7MB in the beginning and 893.4MB in the end (delta: 704.6MB). Free memory was 134.4MB in the beginning and 647.9MB in the end (delta: -513.6MB). Peak memory consumption was 192.0MB. Max. memory is 8.0GB. [2022-03-16 11:17:56,564 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 0.11ms. Allocated memory is still 188.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.56ms. Allocated memory is still 188.7MB. Free memory was 147.3MB in the beginning and 145.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.97ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 908.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.27ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 134.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 863422.17ms. Allocated memory was 188.7MB in the beginning and 893.4MB in the end (delta: 704.6MB). Free memory was 134.4MB in the beginning and 647.9MB in the end (delta: -513.6MB). Peak memory consumption was 192.0MB. 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 - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 863.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 13.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 142, 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, 0.2s SatisfiabilityAnalysisTime, 180.7s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 447 ConstructedInterpolants, 45 QuantifiedInterpolants, 14183 SizeOfPredicates, 35 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 528/1428 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown