/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-4b0ab11 [2022-03-02 04:07:50,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 04:07:50,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 04:07:50,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 04:07:50,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 04:07:50,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 04:07:50,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 04:07:50,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 04:07:50,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 04:07:50,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 04:07:50,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 04:07:50,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-03-02 04:07:50,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 04:07:50,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 04:07:50,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 04:07:50,997 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 [2022-03-02 04:07:51,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 04:07:51,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 04:07:51,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 04:07:51,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 04:07:51,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 04:07:51,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 04:07:51,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 04:07:51,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 04:07:51,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 04:07:51,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 04:07:51,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:07:51,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 04:07:51,014 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 04:07:51,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 04:07:51,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 04:07:51,015 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 04:07:51,015 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 04:07:51,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 04:07:51,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 04:07:51,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 04:07:51,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 04:07:51,205 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 04:07:51,206 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 04:07:51,207 INFO L432 ainManager$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 [2022-03-02 04:07:51,207 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-03-02 04:07:51,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 04:07:51,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 04:07:51,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 04:07:51,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 04:07:51,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 04:07:51,243 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,249 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,254 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 04:07:51,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 04:07:51,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 04:07:51,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 04:07:51,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 04:07:51,262 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,262 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,263 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,263 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,265 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,267 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,267 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 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 04:07:51,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 04:07:51,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 04:07:51,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 04:07:51,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:07:51" (1/1) ... [2022-03-02 04:07:51,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:07:51,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:07:51,295 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) [2022-03-02 04:07:51,299 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 [2022-03-02 04:07:51,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 04:07:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 04:07:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 04:07:51,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 04:07:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 04:07:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 04:07:51,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 04:07:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 04:07:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 04:07:51,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 04:07:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 04:07:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 04:07:51,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-02 04:07:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-02 04:07:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-02 04:07:51,325 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 04:07:51,358 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 04:07:51,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 04:07:51,486 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 04:07:51,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 04:07:51,520 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-02 04:07:51,521 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-03-02 04:07:51,521 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-03-02 04:07:51,521 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-03-02 04:07:51,523 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:07:51 BoogieIcfgContainer [2022-03-02 04:07:51,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 04:07:51,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 04:07:51,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 04:07:51,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 04:07:51,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:07:51" (1/2) ... [2022-03-02 04:07:51,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d7c15a and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 04:07:51, skipping insertion in model container [2022-03-02 04:07:51,535 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 02.03 04:07:51" (2/2) ... [2022-03-02 04:07:51,536 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-03-02 04:07:51,539 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 04:07:51,540 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 04:07:51,540 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 04:07:51,540 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 04:07:51,609 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-03-02 04:07:51,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 04:07:51,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:07:51,648 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) [2022-03-02 04:07:51,651 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 [2022-03-02 04:07:51,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 04:07:51,708 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 [2022-03-02 04:07:51,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-02 04:07:51,769 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 176 states. [2022-03-02 04:07:51,771 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 04:07:51,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:07:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash -827380568, now seen corresponding path program 1 times [2022-03-02 04:07:51,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:07:51,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121410804] [2022-03-02 04:07:51,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:07:51,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:07:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:07:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:52,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:07:52,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121410804] [2022-03-02 04:07:52,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121410804] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:07:52,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113699073] [2022-03-02 04:07:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:07:52,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:07:52,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:07:52,106 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) [2022-03-02 04:07:52,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 04:07:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:07:52,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-02 04:07:52,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:07:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:52,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:07:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:52,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113699073] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:07:52,531 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:07:52,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 32 [2022-03-02 04:07:52,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499513053] [2022-03-02 04:07:52,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:07:52,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-02 04:07:52,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:07:52,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-02 04:07:52,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-03-02 04:07:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:07:52,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:07:52,558 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) [2022-03-02 04:07:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:07:53,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 172 states. [2022-03-02 04:07:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-02 04:07:53,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 04:07:53,251 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 [2022-03-02 04:07:53,251 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 04:07:53,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:07:53,252 INFO L85 PathProgramCache]: Analyzing trace with hash -210262169, now seen corresponding path program 1 times [2022-03-02 04:07:53,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:07:53,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906814411] [2022-03-02 04:07:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:07:53,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:07:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:07:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:53,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:07:53,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906814411] [2022-03-02 04:07:53,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906814411] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:07:53,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003272530] [2022-03-02 04:07:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:07:53,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:07:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:07:53,447 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) [2022-03-02 04:07:53,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 04:07:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:07:53,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-02 04:07:53,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:07:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:53,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:07:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:53,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003272530] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:07:53,877 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:07:53,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 37 [2022-03-02 04:07:53,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947449365] [2022-03-02 04:07:53,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:07:53,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-02 04:07:53,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:07:53,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-02 04:07:53,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2022-03-02 04:07:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:07:53,880 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:07:53,880 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) [2022-03-02 04:07:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-02 04:07:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:07:54,332 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 213 transitions and produced 203 states. [2022-03-02 04:07:54,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-02 04:07:54,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:07:54,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 04:07:54,533 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 [2022-03-02 04:07:54,534 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 04:07:54,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:07:54,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 2 times [2022-03-02 04:07:54,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:07:54,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758476749] [2022-03-02 04:07:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:07:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:07:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:07:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:56,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:07:56,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758476749] [2022-03-02 04:07:56,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758476749] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:07:56,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306053215] [2022-03-02 04:07:56,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:07:56,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:07:56,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:07:56,964 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) [2022-03-02 04:07:56,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 04:07:57,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:07:57,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:07:57,019 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-02 04:07:57,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:08:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:08:03,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:03,064 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 [2022-03-02 04:08:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:08:03,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:08:16,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:16,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:08:18,688 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:08:18,689 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 [2022-03-02 04:10:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:10:43,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306053215] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:10:43,810 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:10:43,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 137 [2022-03-02 04:10:43,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129043441] [2022-03-02 04:10:43,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:10:43,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-03-02 04:10:43,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:10:43,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-03-02 04:10:43,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=17733, Unknown=0, NotChecked=0, Total=18632 [2022-03-02 04:10:43,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:10:43,817 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:10:43,817 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) [2022-03-02 04:10:43,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-02 04:10:43,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:10:43,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:10:55,045 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 215 states. [2022-03-02 04:10:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-02 04:10:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:10:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-02 04:10:55,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 04:10:55,246 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 [2022-03-02 04:10:55,246 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 04:10:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:10:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 3 times [2022-03-02 04:10:55,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:10:55,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468810259] [2022-03-02 04:10:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:10:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:10:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:10:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:10:58,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:10:58,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468810259] [2022-03-02 04:10:58,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468810259] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:10:58,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714681774] [2022-03-02 04:10:58,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:10:58,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:10:58,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:10:58,395 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) [2022-03-02 04:10:58,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 04:10:58,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-03-02 04:10:58,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:10:58,465 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-03-02 04:10:58,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:11:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:11:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:11:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:11:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:11:14,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:11:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:11:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:11:14,589 INFO L244 Elim1Store]: Index analysis took 120 ms [2022-03-02 04:11:15,683 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:11:15,684 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 [2022-03-02 04:16:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:16:15,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-02 04:22:17,334 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 [2022-03-02 04:22:17,334 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 [2022-03-02 04:22:17,334 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 [2022-03-02 04:22:18,049 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-03-02 04:22:18,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 04:22:18,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:22:18,250 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. [2022-03-02 04:22:18,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-03-02 04:22:18,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-03-02 04:22:18,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-03-02 04:22:18,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-03-02 04:22:18,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-03-02 04:22:18,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-03-02 04:22:18,260 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2022-03-02 04:22:18,261 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 04:22:18,261 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 04:22:18,263 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 04:22:18 BasicIcfg [2022-03-02 04:22:18,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 04:22:18,263 INFO L158 Benchmark]: Toolchain (without parser) took 867037.21ms. Allocated memory was 181.4MB in the beginning and 697.3MB in the end (delta: 515.9MB). Free memory was 143.7MB in the beginning and 359.8MB in the end (delta: -216.1MB). Peak memory consumption was 300.4MB. Max. memory is 8.0GB. [2022-03-02 04:22:18,264 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:22:18,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.54ms. Allocated memory is still 181.4MB. Free memory was 143.7MB in the beginning and 142.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:22:18,264 INFO L158 Benchmark]: Boogie Preprocessor took 11.69ms. Allocated memory is still 181.4MB. Free memory was 142.1MB in the beginning and 141.2MB in the end (delta: 912.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:22:18,264 INFO L158 Benchmark]: RCFGBuilder took 254.47ms. Allocated memory is still 181.4MB. Free memory was 141.1MB in the beginning and 131.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 04:22:18,265 INFO L158 Benchmark]: TraceAbstraction took 866734.62ms. Allocated memory was 181.4MB in the beginning and 697.3MB in the end (delta: 515.9MB). Free memory was 130.6MB in the beginning and 359.8MB in the end (delta: -229.2MB). Peak memory consumption was 287.9MB. Max. memory is 8.0GB. [2022-03-02 04:22:18,266 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 0.13ms. Allocated memory is still 181.4MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.54ms. Allocated memory is still 181.4MB. Free memory was 143.7MB in the beginning and 142.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.69ms. Allocated memory is still 181.4MB. Free memory was 142.1MB in the beginning and 141.2MB in the end (delta: 912.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.47ms. Allocated memory is still 181.4MB. Free memory was 141.1MB in the beginning and 131.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 866734.62ms. Allocated memory was 181.4MB in the beginning and 697.3MB in the end (delta: 515.9MB). Free memory was 130.6MB in the beginning and 359.8MB in the end (delta: -229.2MB). Peak memory consumption was 287.9MB. 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - 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 PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 130 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 866.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 12.2s, 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, 170.3s 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