/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-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 00:05:13,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 00:05:13,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 00:05:13,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 00:05:13,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 00:05:13,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 00:05:13,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 00:05:13,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 00:05:13,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 00:05:13,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 00:05:13,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 00:05:13,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 00:05:13,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 00:05:13,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 00:05:13,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 00:05:13,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 00:05:13,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 00:05:13,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 00:05:13,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 00:05:13,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 00:05:13,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 00:05:13,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 00:05:13,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 00:05:13,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 00:05:13,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 00:05:13,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 00:05:13,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 00:05:13,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 00:05:13,339 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 [2022-03-02 00:05:13,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 00:05:13,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 00:05:13,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 00:05:13,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 00:05:13,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 00:05:13,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 00:05:13,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 00:05:13,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 00:05:13,372 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 00:05:13,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 00:05:13,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 00:05:13,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 00:05:13,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 00:05:13,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 00:05:13,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 00:05:13,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 00:05:13,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 00:05:13,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:05:13,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 00:05:13,375 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 00:05:13,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-02 00:05:13,376 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 00:05:13,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 00:05:13,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 00:05:13,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 00:05:13,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 00:05:13,601 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 00:05:13,602 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 00:05:13,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2022-03-02 00:05:13,603 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2022-03-02 00:05:13,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 00:05:13,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 00:05:13,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 00:05:13,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 00:05:13,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 00:05:13,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,642 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 00:05:13,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 00:05:13,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 00:05:13,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 00:05:13,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 00:05:13,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 00:05:13,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 00:05:13,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 00:05:13,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 00:05:13,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/1) ... [2022-03-02 00:05:13,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:05:13,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:05:13,689 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 00:05:13,708 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 00:05:13,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 00:05:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 00:05:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 00:05:13,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 00:05:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 00:05:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 00:05:13,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 00:05:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 00:05:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 00:05:13,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 00:05:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 00:05:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 00:05:13,723 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 00:05:13,761 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 00:05:13,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 00:05:13,896 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 00:05:13,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 00:05:13,928 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 00:05:13,930 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:05:13 BoogieIcfgContainer [2022-03-02 00:05:13,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 00:05:13,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 00:05:13,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 00:05:13,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 00:05:13,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:05:13" (1/2) ... [2022-03-02 00:05:13,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331b6a84 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 12:05:13, skipping insertion in model container [2022-03-02 00:05:13,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:05:13" (2/2) ... [2022-03-02 00:05:13,936 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2022-03-02 00:05:13,939 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 00:05:13,939 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 00:05:13,939 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 00:05:13,939 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 00:05:13,981 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 00:05:14,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 00:05:14,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:05:14,011 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 00:05:14,012 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 00:05:14,053 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 00:05:14,063 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 [2022-03-02 00:05:14,064 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 00:05:14,315 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-03-02 00:05:14,317 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:05:14,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:05:14,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1731617998, now seen corresponding path program 1 times [2022-03-02 00:05:14,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:05:14,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616058842] [2022-03-02 00:05:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:05:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:05:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:05:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:05:14,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:05:14,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616058842] [2022-03-02 00:05:14,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616058842] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:05:14,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674437714] [2022-03-02 00:05:14,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:05:14,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:05:14,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:05:14,669 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 00:05:14,670 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 00:05:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:05:14,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 00:05:14,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:05:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:05:14,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:05:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:05:15,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674437714] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:05:15,100 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:05:15,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-03-02 00:05:15,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167873716] [2022-03-02 00:05:15,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:05:15,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-02 00:05:15,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:05:15,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-02 00:05:15,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-03-02 00:05:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:05:15,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:05:15,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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 00:05:15,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:05:15,787 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-03-02 00:05:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:05:15,807 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 00:05:16,008 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 00:05:16,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:05:16,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:05:16,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1007173588, now seen corresponding path program 2 times [2022-03-02 00:05:16,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:05:16,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329907394] [2022-03-02 00:05:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:05:16,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:05:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:05:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:05:16,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:05:16,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329907394] [2022-03-02 00:05:16,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329907394] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:05:16,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544502994] [2022-03-02 00:05:16,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 00:05:16,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:05:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:05:16,168 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 00:05:16,169 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 00:05:16,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 00:05:16,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:05:16,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-02 00:05:16,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:05:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:05:16,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:05:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:05:16,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544502994] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:05:16,530 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:05:16,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-02 00:05:16,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928053892] [2022-03-02 00:05:16,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:05:16,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-02 00:05:16,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:05:16,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-02 00:05:16,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-02 00:05:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:05:16,533 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:05:16,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 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 00:05:16,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:05:16,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:05:16,941 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-03-02 00:05:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:05:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:05:16,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 00:05:17,147 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 00:05:17,148 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:05:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:05:17,148 INFO L85 PathProgramCache]: Analyzing trace with hash -170935286, now seen corresponding path program 3 times [2022-03-02 00:05:17,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:05:17,149 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528024704] [2022-03-02 00:05:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:05:17,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:05:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:05:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:05:23,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:05:23,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528024704] [2022-03-02 00:05:23,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528024704] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:05:23,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753821795] [2022-03-02 00:05:23,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 00:05:23,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:05:23,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:05:23,640 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 00:05:23,642 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 00:05:23,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-02 00:05:23,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:05:23,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-02 00:05:23,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:05:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:05:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:05:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:05:33,626 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:05:33,627 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 487 treesize of output 375 [2022-03-02 00:06:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:06:59,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:07:13,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:07:13,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:07:13,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:07:13,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:07:14,059 INFO L353 Elim1Store]: treesize reduction 32, result has 77.3 percent of original size [2022-03-02 00:07:14,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 1757 treesize of output 1011 [2022-03-02 00:10:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:14,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753821795] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:10:14,317 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:10:14,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-03-02 00:10:14,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275914668] [2022-03-02 00:10:14,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:10:14,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-02 00:10:14,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:10:14,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-02 00:10:14,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1215, Unknown=0, NotChecked=0, Total=1332 [2022-03-02 00:10:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:10:14,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:10:14,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 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 00:10:14,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:10:14,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:10:14,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:10:25,702 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 132 transitions and produced 128 states. [2022-03-02 00:10:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:10:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:10:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-02 00:10:25,722 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 00:10:25,904 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 00:10:25,905 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:10:25,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:10:25,906 INFO L85 PathProgramCache]: Analyzing trace with hash 295188584, now seen corresponding path program 4 times [2022-03-02 00:10:25,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:10:25,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332414640] [2022-03-02 00:10:25,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:10:25,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:10:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:10:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:26,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:10:26,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332414640] [2022-03-02 00:10:26,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332414640] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:10:26,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024988019] [2022-03-02 00:10:26,008 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 00:10:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:10:26,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:10:26,009 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 00:10:26,012 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 00:10:26,047 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 00:10:26,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:10:26,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-02 00:10:26,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:10:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:26,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:10:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:26,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024988019] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:10:26,419 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:10:26,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 31 [2022-03-02 00:10:26,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990114340] [2022-03-02 00:10:26,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:10:26,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-02 00:10:26,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:10:26,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-02 00:10:26,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=763, Unknown=0, NotChecked=0, Total=930 [2022-03-02 00:10:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:10:26,422 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:10:26,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 31 states have internal predecessors, (79), 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 00:10:26,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:10:26,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:10:26,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-02 00:10:26,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:10:27,104 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 163 states. [2022-03-02 00:10:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:10:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:10:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-02 00:10:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-02 00:10:27,123 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 00:10:27,306 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 00:10:27,306 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:10:27,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:10:27,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1891723518, now seen corresponding path program 5 times [2022-03-02 00:10:27,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:10:27,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159173071] [2022-03-02 00:10:27,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:10:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:10:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:10:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:27,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:10:27,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159173071] [2022-03-02 00:10:27,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159173071] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:10:27,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133986251] [2022-03-02 00:10:27,412 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 00:10:27,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:10:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:10:27,413 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 00:10:27,414 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 00:10:27,447 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-02 00:10:27,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:10:27,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-02 00:10:27,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:10:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:27,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:10:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 29 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:10:27,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133986251] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:10:27,970 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:10:27,970 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 41 [2022-03-02 00:10:27,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103107454] [2022-03-02 00:10:27,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:10:27,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-02 00:10:27,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:10:27,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-02 00:10:27,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1328, Unknown=0, NotChecked=0, Total=1640 [2022-03-02 00:10:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:10:27,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:10:27,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 41 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 00:10:27,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:10:27,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:10:27,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-02 00:10:27,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-02 00:10:27,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:10:29,660 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1092 transitions and produced 492 states. [2022-03-02 00:10:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:10:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:10:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-02 00:10:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-03-02 00:10:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-02 00:10:29,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-02 00:10:29,877 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 00:10:29,877 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:10:29,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:10:29,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1849881662, now seen corresponding path program 6 times [2022-03-02 00:10:29,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:10:29,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869465210] [2022-03-02 00:10:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:10:29,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:10:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:13:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:13:27,169 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:13:27,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869465210] [2022-03-02 00:13:27,169 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869465210] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:13:27,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725984383] [2022-03-02 00:13:27,169 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 00:13:27,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:13:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:13:27,175 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 00:13:27,176 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 00:13:27,240 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-02 00:13:27,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:13:27,242 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 70 conjunts are in the unsatisfiable core [2022-03-02 00:13:27,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:15:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:15:24,939 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:15:24,939 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 41 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 3867 treesize of output 2325 Received shutdown request... [2022-03-02 00:19:09,782 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 00:19:09,784 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:19:09,802 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 00:19:09,805 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 [2022-03-02 00:19:09,805 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 00:19:09,806 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 00:19:09,985 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 00:19:09,987 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 26ms.. [2022-03-02 00:19:09,988 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:19:09,988 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:19:09,989 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:19:09,993 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 00:19:09,995 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:19:09,995 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:19:09,997 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:19:09 BasicIcfg [2022-03-02 00:19:09,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:19:09,998 INFO L158 Benchmark]: Toolchain (without parser) took 836375.23ms. Allocated memory was 169.9MB in the beginning and 920.6MB in the end (delta: 750.8MB). Free memory was 131.9MB in the beginning and 497.3MB in the end (delta: -365.4MB). Peak memory consumption was 580.6MB. Max. memory is 8.0GB. [2022-03-02 00:19:09,998 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:19:09,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.19ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 130.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:19:09,998 INFO L158 Benchmark]: Boogie Preprocessor took 18.43ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:19:09,999 INFO L158 Benchmark]: RCFGBuilder took 264.89ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 120.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 00:19:09,999 INFO L158 Benchmark]: TraceAbstraction took 836066.22ms. Allocated memory was 169.9MB in the beginning and 920.6MB in the end (delta: 750.8MB). Free memory was 119.3MB in the beginning and 497.3MB in the end (delta: -378.0MB). Peak memory consumption was 568.0MB. Max. memory is 8.0GB. [2022-03-02 00:19:10,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.19ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 130.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.43ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 264.89ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 120.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 836066.22ms. Allocated memory was 169.9MB in the beginning and 920.6MB in the end (delta: 750.8MB). Free memory was 119.3MB in the beginning and 497.3MB in the end (delta: -378.0MB). Peak memory consumption was 568.0MB. 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 26ms.. - 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 26ms.. - 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 26ms.. - TimeoutResultAtElement [Line: 60]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 26ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 836.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 15.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 222, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 299.2s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 507 ConstructedInterpolants, 16 QuantifiedInterpolants, 25261 SizeOfPredicates, 42 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 150/420 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