/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:33:09,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:33:09,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:33:09,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:33:09,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:33:09,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:33:09,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:33:09,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:33:09,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:33:09,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:33:09,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:33:09,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:33:09,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:33:09,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:33:09,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:33:09,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:33:09,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:33:09,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:33:09,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:33:09,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:33:09,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:33:09,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:33:09,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:33:09,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:33:09,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:33:09,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:33:09,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:33:09,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:33:09,349 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-wrwc.epf [2022-03-16 06:33:09,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:33:09,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:33:09,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:33:09,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:33:09,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:33:09,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:33:09,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:33:09,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:33:09,380 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:33:09,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:33:09,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:33:09,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:33:09,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:33:09,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:33:09,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:33:09,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:33:09,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:33:09,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:33:09,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:33:09,384 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:33:09,384 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:33:09,384 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:33:09,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:33:09,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:33:09,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:33:09,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:33:09,587 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:33:09,589 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:33:09,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2022-03-16 06:33:09,590 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2022-03-16 06:33:09,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:33:09,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:33:09,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:33:09,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:33:09,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:33:09,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,654 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:33:09,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:33:09,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:33:09,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:33:09,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:33:09,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:33:09,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:33:09,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:33:09,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:33:09,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/1) ... [2022-03-16 06:33:09,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:33:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:09,720 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 06:33:09,732 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 06:33:09,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:33:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:33:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:33:09,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:33:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:33:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:33:09,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:33:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:33:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:33:09,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:33:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:33:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:33:09,764 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 06:33:09,816 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:33:09,817 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:33:09,951 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:33:09,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:33:09,966 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:33:09,968 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:33:09 BoogieIcfgContainer [2022-03-16 06:33:09,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:33:09,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:33:09,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:33:09,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:33:09,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:33:09" (1/2) ... [2022-03-16 06:33:09,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78111c9 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:33:09, skipping insertion in model container [2022-03-16 06:33:09,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:33:09" (2/2) ... [2022-03-16 06:33:09,975 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2022-03-16 06:33:09,979 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:33:09,979 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:33:09,979 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:33:09,979 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:33:10,011 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:33:10,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:33:10,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:10,095 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 06:33:10,096 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 06:33:10,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:33:10,121 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=false [2022-03-16 06:33:10,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:33:10,357 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 583 transitions and produced 499 states. [2022-03-16 06:33:10,359 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:33:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:33:10,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2123565567, now seen corresponding path program 1 times [2022-03-16 06:33:10,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:33:10,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864633543] [2022-03-16 06:33:10,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:33:10,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:33:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:33:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-03-16 06:33:10,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:33:10,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864633543] [2022-03-16 06:33:10,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864633543] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:33:10,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468957838] [2022-03-16 06:33:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:33:10,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:10,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:10,942 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 06:33:10,983 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 06:33:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:33:11,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 27 conjunts are in the unsatisfiable core [2022-03-16 06:33:11,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:33:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 719 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-03-16 06:33:11,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:33:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 719 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-03-16 06:33:12,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468957838] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:33:12,242 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:33:12,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 44 [2022-03-16 06:33:12,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106477466] [2022-03-16 06:33:12,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:33:12,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-16 06:33:12,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:33:12,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-16 06:33:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=1483, Unknown=0, NotChecked=0, Total=1980 [2022-03-16 06:33:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:12,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:33:12,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.666666666666667) internal successors, (210), 44 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:33:12,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:14,555 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1118 transitions and produced 808 states. [2022-03-16 06:33:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:33:14,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:33:14,779 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 06:33:14,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:33:14,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:33:14,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1405781380, now seen corresponding path program 2 times [2022-03-16 06:33:14,782 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:33:14,782 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458297475] [2022-03-16 06:33:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:33:14,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:33:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:33:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2022-03-16 06:33:15,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:33:15,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458297475] [2022-03-16 06:33:15,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458297475] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:33:15,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634297241] [2022-03-16 06:33:15,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:33:15,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:15,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:15,130 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 06:33:15,131 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 06:33:15,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:33:15,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:33:15,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 52 conjunts are in the unsatisfiable core [2022-03-16 06:33:15,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:33:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 1925 proven. 308 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-16 06:33:16,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:33:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 1925 proven. 308 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-16 06:33:16,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634297241] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:33:16,698 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:33:16,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 30, 30] total 57 [2022-03-16 06:33:16,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496542028] [2022-03-16 06:33:16,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:33:16,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-03-16 06:33:16,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:33:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-03-16 06:33:16,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=897, Invalid=2409, Unknown=0, NotChecked=0, Total=3306 [2022-03-16 06:33:16,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:16,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:33:16,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.051724137931035) internal successors, (293), 57 states have internal predecessors, (293), 0 states have call successors, (0), 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 06:33:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:33:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:20,356 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1522 transitions and produced 1060 states. [2022-03-16 06:33:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:33:20,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:33:20,385 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 06:33:20,571 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 06:33:20,572 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:33:20,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:33:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash -322988771, now seen corresponding path program 3 times [2022-03-16 06:33:20,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:33:20,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132743570] [2022-03-16 06:33:20,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:33:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:33:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:33:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 1129 refuted. 0 times theorem prover too weak. 3553 trivial. 0 not checked. [2022-03-16 06:33:20,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:33:20,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132743570] [2022-03-16 06:33:20,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132743570] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:33:20,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994556783] [2022-03-16 06:33:20,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:33:20,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:20,943 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 06:33:20,944 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 06:33:21,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2022-03-16 06:33:21,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:33:21,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-16 06:33:21,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:33:21,896 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 06:33:21,897 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2022-03-16 06:33:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 1057 refuted. 0 times theorem prover too weak. 3625 trivial. 0 not checked. [2022-03-16 06:33:22,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:33:22,743 INFO L353 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2022-03-16 06:33:22,743 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2022-03-16 06:33:23,524 INFO L353 Elim1Store]: treesize reduction 30, result has 94.3 percent of original size [2022-03-16 06:33:23,525 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 27 treesize of output 542 [2022-03-16 06:37:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 37 proven. 1020 refuted. 0 times theorem prover too weak. 3625 trivial. 0 not checked. [2022-03-16 06:37:31,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994556783] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:37:31,701 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:37:31,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 31 [2022-03-16 06:37:31,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855434820] [2022-03-16 06:37:31,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:37:31,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-16 06:37:31,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:37:31,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-16 06:37:31,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=913, Unknown=0, NotChecked=0, Total=992 [2022-03-16 06:37:31,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:31,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:37:31,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.75) internal successors, (120), 31 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:37:31,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:37:31,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:37:31,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:32,874 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1496 transitions and produced 1079 states. [2022-03-16 06:37:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:37:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:37:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:37:32,903 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 06:37:33,076 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 06:37:33,077 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:37:33,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:37:33,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1127513478, now seen corresponding path program 4 times [2022-03-16 06:37:33,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:37:33,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243302930] [2022-03-16 06:37:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:37:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:37:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:37:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 3411 trivial. 0 not checked. [2022-03-16 06:37:33,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:37:33,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243302930] [2022-03-16 06:37:33,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243302930] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:37:33,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017994677] [2022-03-16 06:37:33,505 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:37:33,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:37:33,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:37:33,508 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 06:37:33,509 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 06:37:33,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:37:33,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:37:33,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-16 06:37:33,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:37:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 3689 proven. 908 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-16 06:37:34,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:37:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 3689 proven. 908 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-16 06:37:35,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017994677] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:37:35,442 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:37:35,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 42, 42] total 73 [2022-03-16 06:37:35,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942650193] [2022-03-16 06:37:35,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:37:35,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-03-16 06:37:35,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:37:35,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-03-16 06:37:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1475, Invalid=3927, Unknown=0, NotChecked=0, Total=5402 [2022-03-16 06:37:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:35,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:37:35,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.148648648648648) internal successors, (381), 73 states have internal predecessors, (381), 0 states have call successors, (0), 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 06:37:35,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:37:35,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:37:35,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:37:35,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:40,947 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1970 transitions and produced 1335 states. [2022-03-16 06:37:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:37:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:37:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:37:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 06:37:40,967 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 06:37:41,163 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 [2022-03-16 06:37:41,164 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:37:41,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:37:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash -642620901, now seen corresponding path program 5 times [2022-03-16 06:37:41,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:37:41,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130950323] [2022-03-16 06:37:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:37:41,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:37:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:37:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 0 proven. 1883 refuted. 0 times theorem prover too weak. 6081 trivial. 0 not checked. [2022-03-16 06:37:41,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:37:41,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130950323] [2022-03-16 06:37:41,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130950323] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:37:41,558 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185577497] [2022-03-16 06:37:41,558 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 06:37:41,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:37:41,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:37:41,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:37:41,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 06:37:41,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2022-03-16 06:37:41,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:37:41,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 100 conjunts are in the unsatisfiable core [2022-03-16 06:37:41,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:37:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 6029 proven. 1796 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-03-16 06:37:43,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:37:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 6029 proven. 1796 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-03-16 06:37:44,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185577497] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:37:44,749 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:37:44,749 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 54, 54] total 87 [2022-03-16 06:37:44,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937944577] [2022-03-16 06:37:44,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:37:44,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-03-16 06:37:44,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:37:44,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-03-16 06:37:44,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2193, Invalid=5463, Unknown=0, NotChecked=0, Total=7656 [2022-03-16 06:37:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:44,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:37:44,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 5.238636363636363) internal successors, (461), 87 states have internal predecessors, (461), 0 states have call successors, (0), 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 06:37:44,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:37:44,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:37:44,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:37:44,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 06:37:44,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:52,266 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2374 transitions and produced 1587 states. [2022-03-16 06:37:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-16 06:37:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:37:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:37:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 06:37:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-16 06:37:52,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 06:37:52,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:37:52,469 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:37:52,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:37:52,470 INFO L85 PathProgramCache]: Analyzing trace with hash -620200132, now seen corresponding path program 6 times [2022-03-16 06:37:52,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:37:52,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962357721] [2022-03-16 06:37:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:37:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:37:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:37:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12089 backedges. 0 proven. 2566 refuted. 0 times theorem prover too weak. 9523 trivial. 0 not checked. [2022-03-16 06:37:52,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:37:52,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962357721] [2022-03-16 06:37:52,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962357721] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:37:52,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8164587] [2022-03-16 06:37:52,909 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 06:37:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:37:52,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:37:52,911 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:37:52,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 06:37:53,735 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 66 check-sat command(s) [2022-03-16 06:37:53,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:37:53,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-16 06:37:53,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:37:59,514 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 06:37:59,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 44 treesize of output 320 [2022-03-16 06:38:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12089 backedges. 0 proven. 2452 refuted. 0 times theorem prover too weak. 9637 trivial. 0 not checked. [2022-03-16 06:38:03,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:38:04,040 INFO L353 Elim1Store]: treesize reduction 5, result has 80.8 percent of original size [2022-03-16 06:38:04,040 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2022-03-16 06:38:06,550 INFO L353 Elim1Store]: treesize reduction 45, result has 96.3 percent of original size [2022-03-16 06:38:06,551 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 39 treesize of output 1247 Received shutdown request... [2022-03-16 06:47:33,909 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 06:47:33,911 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 06:47:33,924 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:47:33,924 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 06:47:33,924 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 06:47:33,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 06:47:34,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:34,123 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. [2022-03-16 06:47:34,125 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 06:47:34,125 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 06:47:34,125 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 06:47:34,129 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 06:47:34,130 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 06:47:34,130 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 06:47:34,139 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 06:47:34 BasicIcfg [2022-03-16 06:47:34,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 06:47:34,139 INFO L158 Benchmark]: Toolchain (without parser) took 864510.25ms. Allocated memory was 183.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 139.8MB in the beginning and 994.4MB in the end (delta: -854.6MB). Peak memory consumption was 834.7MB. Max. memory is 8.0GB. [2022-03-16 06:47:34,139 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 06:47:34,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.71ms. Allocated memory is still 183.5MB. Free memory was 139.8MB in the beginning and 138.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-16 06:47:34,141 INFO L158 Benchmark]: Boogie Preprocessor took 14.22ms. Allocated memory is still 183.5MB. Free memory was 138.2MB in the beginning and 137.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:47:34,142 INFO L158 Benchmark]: RCFGBuilder took 296.21ms. Allocated memory is still 183.5MB. Free memory was 137.2MB in the beginning and 127.6MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 06:47:34,143 INFO L158 Benchmark]: TraceAbstraction took 864169.13ms. Allocated memory was 183.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 127.2MB in the beginning and 994.4MB in the end (delta: -867.2MB). Peak memory consumption was 821.0MB. Max. memory is 8.0GB. [2022-03-16 06:47:34,144 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 0.14ms. Allocated memory is still 183.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.71ms. Allocated memory is still 183.5MB. Free memory was 139.8MB in the beginning and 138.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.22ms. Allocated memory is still 183.5MB. Free memory was 138.2MB in the beginning and 137.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 296.21ms. Allocated memory is still 183.5MB. Free memory was 137.2MB in the beginning and 127.6MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 864169.13ms. Allocated memory was 183.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 127.2MB in the beginning and 994.4MB in the end (delta: -867.2MB). Peak memory consumption was 821.0MB. 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: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 63]: 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 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 64]: 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 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 63]: 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 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 864.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 20.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 539, 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 259.7s InterpolantComputationTime, 2438 NumberOfCodeBlocks, 2362 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 3642 ConstructedInterpolants, 20 QuantifiedInterpolants, 32172 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2803 ConjunctsInSsa, 285 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 47803/61251 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