/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/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 04:49:50,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 04:49:50,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 04:49:50,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 04:49:50,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 04:49:50,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 04:49:50,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 04:49:50,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 04:49:50,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 04:49:50,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 04:49:50,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 04:49:50,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 04:49:50,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 04:49:50,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 04:49:50,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 04:49:51,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 04:49:51,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 04:49:51,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 04:49:51,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 04:49:51,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 04:49:51,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 04:49:51,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 04:49:51,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 04:49:51,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 04:49:51,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 04:49:51,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 04:49:51,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 04:49:51,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 04:49:51,024 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 04:49:51,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 04:49:51,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 04:49:51,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 04:49:51,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 04:49:51,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 04:49:51,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 04:49:51,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 04:49:51,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 04:49:51,058 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 04:49:51,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 04:49:51,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 04:49:51,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 04:49:51,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 04:49:51,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 04:49:51,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 04:49:51,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 04:49:51,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 04:49:51,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 04:49:51,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:49:51,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 04:49:51,061 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 04:49:51,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 04:49:51,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 04:49:51,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 04:49:51,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 04:49:51,062 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 04:49:51,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 04:49:51,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 04:49:51,062 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 04:49:51,062 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 04:49:51,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 04:49:51,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 04:49:51,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 04:49:51,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 04:49:51,309 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 04:49:51,310 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 04:49:51,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2022-03-02 04:49:51,312 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2022-03-02 04:49:51,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 04:49:51,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 04:49:51,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 04:49:51,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 04:49:51,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 04:49:51,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,361 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 04:49:51,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 04:49:51,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 04:49:51,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 04:49:51,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 04:49:51,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 04:49:51,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 04:49:51,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 04:49:51,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 04:49:51,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/1) ... [2022-03-02 04:49:51,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:49:51,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:51,416 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 04:49:51,421 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 04:49:51,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 04:49:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 04:49:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 04:49:51,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 04:49:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 04:49:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 04:49:51,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 04:49:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 04:49:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 04:49:51,449 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 04:49:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 04:49:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 04:49:51,450 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 04:49:51,487 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 04:49:51,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 04:49:51,636 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 04:49:51,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 04:49:51,651 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 04:49:51,652 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:49:51 BoogieIcfgContainer [2022-03-02 04:49:51,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 04:49:51,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 04:49:51,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 04:49:51,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 04:49:51,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:49:51" (1/2) ... [2022-03-02 04:49:51,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e14eca and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 04:49:51, skipping insertion in model container [2022-03-02 04:49:51,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:49:51" (2/2) ... [2022-03-02 04:49:51,663 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2022-03-02 04:49:51,667 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 04:49:51,668 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 04:49:51,668 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 04:49:51,668 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 04:49:51,726 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 04:49:51,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 04:49:51,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:51,778 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 04:49:51,793 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 04:49:51,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 04:49:51,828 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 04:49:51,828 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 04:49:51,924 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-02 04:49:51,926 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:49:51,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:49:51,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-03-02 04:49:51,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:49:51,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190399355] [2022-03-02 04:49:51,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:49:51,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:49:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:49:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:49:52,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:49:52,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190399355] [2022-03-02 04:49:52,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190399355] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:49:52,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995074044] [2022-03-02 04:49:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:49:52,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:49:52,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:52,363 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 04:49:52,403 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 04:49:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:49:52,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 04:49:52,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:49:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 04:49:52,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:49:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 04:49:53,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995074044] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:49:53,114 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:49:53,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-02 04:49:53,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754346213] [2022-03-02 04:49:53,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:49:53,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 04:49:53,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:49:53,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 04:49:53,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-02 04:49:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:53,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:49:53,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 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 04:49:53,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:53,616 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-02 04:49:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:53,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 04:49:53,819 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 04:49:53,820 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:49:53,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:49:53,821 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-03-02 04:49:53,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:49:53,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926071259] [2022-03-02 04:49:53,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:49:53,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:49:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:49:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:49:54,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:49:54,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926071259] [2022-03-02 04:49:54,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926071259] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:49:54,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927314367] [2022-03-02 04:49:54,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:49:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:49:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:54,040 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 04:49:54,058 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 04:49:54,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:49:54,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:49:54,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 04:49:54,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:49:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 04:49:54,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:49:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 04:49:54,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927314367] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:49:54,536 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:49:54,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-02 04:49:54,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16563469] [2022-03-02 04:49:54,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:49:54,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 04:49:54,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:49:54,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 04:49:54,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-02 04:49:54,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:54,539 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:49:54,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 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 04:49:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:55,006 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-02 04:49:55,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:55,024 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 04:49:55,211 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 04:49:55,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:49:55,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:49:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-03-02 04:49:55,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:49:55,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027955119] [2022-03-02 04:49:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:49:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:49:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:49:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 04:49:55,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:49:55,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027955119] [2022-03-02 04:49:55,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027955119] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:49:55,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824848863] [2022-03-02 04:49:55,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:49:55,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:49:55,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:55,368 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 04:49:55,383 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 04:49:55,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-02 04:49:55,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:49:55,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-02 04:49:55,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:49:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 04:49:55,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:49:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 59 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 04:49:55,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824848863] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:49:55,880 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:49:55,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2022-03-02 04:49:55,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363541665] [2022-03-02 04:49:55,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:49:55,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 04:49:55,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:49:55,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 04:49:55,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2022-03-02 04:49:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:55,882 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:49:55,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 26 states have internal predecessors, (73), 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 04:49:55,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:55,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:55,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:56,262 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 279 transitions and produced 219 states. [2022-03-02 04:49:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:56,291 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 04:49:56,465 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 04:49:56,465 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:49:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:49:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash -270324618, now seen corresponding path program 4 times [2022-03-02 04:49:56,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:49:56,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203116201] [2022-03-02 04:49:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:49:56,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:49:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:49:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:49:56,689 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:49:56,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203116201] [2022-03-02 04:49:56,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203116201] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:49:56,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281161840] [2022-03-02 04:49:56,690 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:49:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:49:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:56,696 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 04:49:56,699 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 04:49:56,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:49:56,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:49:56,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-02 04:49:56,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:49:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 50 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-02 04:49:57,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:49:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 50 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-02 04:49:57,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281161840] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:49:57,329 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:49:57,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 14] total 38 [2022-03-02 04:49:57,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130133106] [2022-03-02 04:49:57,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:49:57,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-02 04:49:57,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:49:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-02 04:49:57,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1183, Unknown=0, NotChecked=0, Total=1406 [2022-03-02 04:49:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:57,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:49:57,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.6315789473684212) internal successors, (100), 38 states have internal predecessors, (100), 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 04:49:57,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:57,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:57,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:57,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:57,945 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1087 transitions and produced 489 states. [2022-03-02 04:49:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:57,973 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 04:49:58,147 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 04:49:58,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:49:58,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:49:58,148 INFO L85 PathProgramCache]: Analyzing trace with hash -25204396, now seen corresponding path program 5 times [2022-03-02 04:49:58,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:49:58,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926154419] [2022-03-02 04:49:58,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:49:58,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:49:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:49:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:49:58,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:49:58,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926154419] [2022-03-02 04:49:58,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926154419] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:49:58,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39577832] [2022-03-02 04:49:58,358 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:49:58,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:49:58,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:49:58,364 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) [2022-03-02 04:49:58,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 04:49:58,414 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-02 04:49:58,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:49:58,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-02 04:49:58,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:49:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 04:49:58,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:49:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 61 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 04:49:59,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39577832] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:49:59,211 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:49:59,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 18] total 49 [2022-03-02 04:49:59,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779071287] [2022-03-02 04:49:59,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:49:59,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-02 04:49:59,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:49:59,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-02 04:49:59,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=1919, Unknown=0, NotChecked=0, Total=2352 [2022-03-02 04:49:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:59,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:49:59,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.510204081632653) internal successors, (123), 49 states have internal predecessors, (123), 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 04:49:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:49:59,821 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 250 states. [2022-03-02 04:49:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:49:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:49:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:49:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:49:59,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 04:50:00,035 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 [2022-03-02 04:50:00,036 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:50:00,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:50:00,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 6 times [2022-03-02 04:50:00,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:50:00,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272565622] [2022-03-02 04:50:00,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:50:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:50:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:50:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:50:00,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:50:00,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272565622] [2022-03-02 04:50:00,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272565622] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:50:00,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983799275] [2022-03-02 04:50:00,285 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:50:00,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:50:00,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:50:00,288 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) [2022-03-02 04:50:00,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 04:50:00,349 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-02 04:50:00,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:50:00,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-02 04:50:00,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:50:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:50:00,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:50:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:50:01,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983799275] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:50:01,576 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:50:01,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-02 04:50:01,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32061646] [2022-03-02 04:50:01,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:50:01,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-02 04:50:01,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:50:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-02 04:50:01,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-02 04:50:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:50:01,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:50:01,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 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 04:50:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:50:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:50:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:50:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:50:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:50:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:50:02,469 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-02 04:50:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:50:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:50:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:50:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:50:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:50:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-02 04:50:02,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 04:50:02,670 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 [2022-03-02 04:50:02,671 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:50:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:50:02,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 7 times [2022-03-02 04:50:02,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:50:02,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718561201] [2022-03-02 04:50:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:50:02,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:50:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-02 05:04:09,268 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 05:04:09,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-02 05:04:09,269 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-2-2-2-2-2-2-2-2-3-3-3-2-2-2-2-2-3-5-16-6-16-6-16-6-16-6-16-6-16-6-16-6-11-6-11-6-11-6-10-4-9-3-9-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-03-02 05:04:09,274 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 05:04:09,275 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 05:04:09,275 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 05:04:09,275 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 05:04:09,275 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 05:04:09,292 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-02 05:04:09,295 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 05:04:09,295 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 05:04:09,297 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 05:04:09 BasicIcfg [2022-03-02 05:04:09,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 05:04:09,298 INFO L158 Benchmark]: Toolchain (without parser) took 857964.97ms. Allocated memory was 181.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 140.8MB in the beginning and 710.6MB in the end (delta: -569.8MB). Peak memory consumption was 905.8MB. Max. memory is 8.0GB. [2022-03-02 05:04:09,298 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:04:09,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.43ms. Allocated memory is still 181.4MB. Free memory was 140.8MB in the beginning and 139.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 05:04:09,299 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 181.4MB. Free memory was 139.3MB in the beginning and 138.4MB in the end (delta: 901.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 05:04:09,299 INFO L158 Benchmark]: RCFGBuilder took 264.38ms. Allocated memory is still 181.4MB. Free memory was 138.2MB in the beginning and 129.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 05:04:09,299 INFO L158 Benchmark]: TraceAbstraction took 857643.72ms. Allocated memory was 181.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.5MB in the beginning and 710.6MB in the end (delta: -582.1MB). Peak memory consumption was 894.3MB. Max. memory is 8.0GB. [2022-03-02 05:04:09,301 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 0.15ms. Allocated memory is still 181.4MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.43ms. Allocated memory is still 181.4MB. Free memory was 140.8MB in the beginning and 139.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 181.4MB. Free memory was 139.3MB in the beginning and 138.4MB in the end (delta: 901.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 264.38ms. Allocated memory is still 181.4MB. Free memory was 138.2MB in the beginning and 129.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 857643.72ms. Allocated memory was 181.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.5MB in the beginning and 710.6MB in the end (delta: -582.1MB). Peak memory consumption was 894.3MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-2-2-2-2-2-2-2-2-3-3-3-2-2-2-2-2-3-5-16-6-16-6-16-6-16-6-16-6-16-6-16-6-11-6-11-6-11-6-10-4-9-3-9-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-2-2-2-2-2-2-2-2-3-3-3-2-2-2-2-2-3-5-16-6-16-6-16-6-16-6-16-6-16-6-16-6-11-6-11-6-11-6-10-4-9-3-9-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-2-2-2-2-2-2-2-2-3-3-3-2-2-2-2-2-3-5-16-6-16-6-16-6-16-6-16-6-16-6-16-6-11-6-11-6-11-6-10-4-9-3-9-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-2-2-2-2-2-2-2-2-3-3-3-2-2-2-2-2-3-5-16-6-16-6-16-6-16-6-16-6-16-6-16-6-11-6-11-6-11-6-10-4-9-3-9-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 857.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 184, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 592 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 870 ConstructedInterpolants, 0 QuantifiedInterpolants, 4781 SizeOfPredicates, 36 NumberOfNonLiveVariables, 741 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 1021/1632 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