/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 03:56:01,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 03:56:01,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 03:56:01,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 03:56:01,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 03:56:01,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 03:56:01,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 03:56:01,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 03:56:01,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 03:56:01,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 03:56:01,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 03:56:01,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 03:56:01,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 03:56:01,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 03:56:01,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 03:56:01,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 03:56:01,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 03:56:01,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 03:56:01,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 03:56:01,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 03:56:01,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 03:56:01,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 03:56:01,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 03:56:01,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 03:56:01,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 03:56:02,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 03:56:02,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 03:56:02,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 03:56:02,001 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.epf [2022-02-20 03:56:02,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 03:56:02,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 03:56:02,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 03:56:02,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 03:56:02,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 03:56:02,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 03:56:02,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 03:56:02,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 03:56:02,017 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 03:56:02,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 03:56:02,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 03:56:02,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 03:56:02,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 03:56:02,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 03:56:02,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 03:56:02,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 03:56:02,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 03:56:02,018 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 03:56:02,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 03:56:02,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 03:56:02,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 03:56:02,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:56:02,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 03:56:02,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 03:56:02,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 03:56:02,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 03:56:02,020 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 03:56:02,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 03:56:02,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 03:56:02,020 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 03:56:02,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 03:56:02,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 03:56:02,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 03:56:02,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 03:56:02,194 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 03:56:02,196 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 03:56:02,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2022-02-20 03:56:02,197 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2022-02-20 03:56:02,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 03:56:02,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 03:56:02,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 03:56:02,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 03:56:02,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 03:56:02,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,247 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 03:56:02,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 03:56:02,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 03:56:02,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 03:56:02,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 03:56:02,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 03:56:02,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 03:56:02,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 03:56:02,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 03:56:02,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/1) ... [2022-02-20 03:56:02,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:56:02,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:56:02,300 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) [2022-02-20 03:56:02,312 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 [2022-02-20 03:56:02,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 03:56:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 03:56:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 03:56:02,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 03:56:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 03:56:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 03:56:02,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 03:56:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 03:56:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 03:56:02,333 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 03:56:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 03:56:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 03:56:02,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-20 03:56:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-20 03:56:02,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-20 03:56:02,335 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 03:56:02,370 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 03:56:02,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 03:56:02,456 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 03:56:02,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 03:56:02,487 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 03:56:02,489 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:56:02 BoogieIcfgContainer [2022-02-20 03:56:02,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 03:56:02,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 03:56:02,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 03:56:02,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 03:56:02,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:56:02" (1/2) ... [2022-02-20 03:56:02,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9f03da and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:56:02, skipping insertion in model container [2022-02-20 03:56:02,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:56:02" (2/2) ... [2022-02-20 03:56:02,503 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2022-02-20 03:56:02,506 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 03:56:02,506 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 03:56:02,506 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 03:56:02,506 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 03:56:02,555 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-20 03:56:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 03:56:02,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:56:02,583 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) [2022-02-20 03:56:02,584 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 [2022-02-20 03:56:02,606 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 03:56:02,611 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=true, mMcrOverapproximateWrwc=true [2022-02-20 03:56:02,611 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-20 03:56:02,732 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1846 transitions and produced 1635 states. [2022-02-20 03:56:02,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 03:56:02,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:56:02,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1737980979, now seen corresponding path program 1 times [2022-02-20 03:56:02,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:56:02,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333359783] [2022-02-20 03:56:02,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:56:02,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:56:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:56:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 4800 proven. 3080 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-02-20 03:56:03,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:56:03,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333359783] [2022-02-20 03:56:03,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333359783] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:56:03,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991736640] [2022-02-20 03:56:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:56:03,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:56:03,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:56:03,776 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) [2022-02-20 03:56:03,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 03:56:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:56:03,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 87 conjunts are in the unsatisfiable core [2022-02-20 03:56:04,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:56:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 8454 proven. 42 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-02-20 03:56:07,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:56:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 2587 proven. 5929 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-02-20 03:56:11,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991736640] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:56:11,066 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:56:11,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 67, 87] total 171 [2022-02-20 03:56:11,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215308975] [2022-02-20 03:56:11,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:56:11,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2022-02-20 03:56:11,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:56:11,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2022-02-20 03:56:11,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8321, Invalid=21091, Unknown=0, NotChecked=0, Total=29412 [2022-02-20 03:56:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:56:11,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:56:11,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.4186046511627906) internal successors, (588), 171 states have internal predecessors, (588), 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) [2022-02-20 03:56:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:56:24,563 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3159 transitions and produced 2446 states. [2022-02-20 03:56:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-20 03:56:24,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 03:56:24,764 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 [2022-02-20 03:56:24,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 03:56:24,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:56:24,765 INFO L85 PathProgramCache]: Analyzing trace with hash 985023341, now seen corresponding path program 2 times [2022-02-20 03:56:24,765 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:56:24,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369098762] [2022-02-20 03:56:24,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:56:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:56:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:56:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 3844 proven. 5726 refuted. 0 times theorem prover too weak. 9362 trivial. 0 not checked. [2022-02-20 03:56:28,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:56:28,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369098762] [2022-02-20 03:56:28,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369098762] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:56:28,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044469582] [2022-02-20 03:56:28,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 03:56:28,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:56:28,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:56:28,168 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) [2022-02-20 03:56:28,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 03:56:28,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 03:56:28,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:56:28,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 132 conjunts are in the unsatisfiable core [2022-02-20 03:56:28,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:56:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-02-20 03:56:37,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:56:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-02-20 03:56:44,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044469582] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:56:44,288 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:56:44,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 132, 132] total 277 [2022-02-20 03:56:44,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151245019] [2022-02-20 03:56:44,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:56:44,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2022-02-20 03:56:44,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:56:44,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2022-02-20 03:56:44,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15223, Invalid=61783, Unknown=0, NotChecked=0, Total=77006 [2022-02-20 03:56:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:56:44,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:56:44,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 2.6546762589928057) internal successors, (738), 277 states have internal predecessors, (738), 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) [2022-02-20 03:56:44,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-20 03:56:44,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:57:04,375 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4419 transitions and produced 3552 states. [2022-02-20 03:57:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-20 03:57:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-02-20 03:57:04,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 03:57:04,577 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 [2022-02-20 03:57:04,577 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 03:57:04,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:57:04,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1015983693, now seen corresponding path program 3 times [2022-02-20 03:57:04,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:57:04,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614540933] [2022-02-20 03:57:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:57:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:57:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:57:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 8920 proven. 21932 refuted. 0 times theorem prover too weak. 10285 trivial. 0 not checked. [2022-02-20 03:57:08,436 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:57:08,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614540933] [2022-02-20 03:57:08,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614540933] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:57:08,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064904006] [2022-02-20 03:57:08,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 03:57:08,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:57:08,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:57:08,437 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) [2022-02-20 03:57:08,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 03:57:08,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 84 check-sat command(s) [2022-02-20 03:57:08,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:57:08,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 146 conjunts are in the unsatisfiable core [2022-02-20 03:57:08,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:57:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 16581 proven. 19503 refuted. 0 times theorem prover too weak. 5053 trivial. 0 not checked. [2022-02-20 03:57:22,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:57:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 13018 proven. 23098 refuted. 0 times theorem prover too weak. 5021 trivial. 0 not checked. [2022-02-20 03:57:35,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064904006] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:57:35,215 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:57:35,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 138, 144] total 314 [2022-02-20 03:57:35,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349501781] [2022-02-20 03:57:35,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:57:35,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 315 states [2022-02-20 03:57:35,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:57:35,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants. [2022-02-20 03:57:35,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13107, Invalid=85803, Unknown=0, NotChecked=0, Total=98910 [2022-02-20 03:57:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:57:35,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:57:35,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 315 states, 315 states have (on average 4.196825396825397) internal successors, (1322), 314 states have internal predecessors, (1322), 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) [2022-02-20 03:57:35,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-20 03:57:35,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-02-20 03:57:35,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:59:40,223 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4702 transitions and produced 3709 states. [2022-02-20 03:59:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-20 03:59:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-02-20 03:59:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2022-02-20 03:59:40,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 03:59:40,425 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 [2022-02-20 03:59:40,425 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 03:59:40,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:59:40,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1522875375, now seen corresponding path program 4 times [2022-02-20 03:59:40,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:59:40,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116776180] [2022-02-20 03:59:40,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:59:40,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:59:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:59:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 10183 proven. 24626 refuted. 0 times theorem prover too weak. 11811 trivial. 0 not checked. [2022-02-20 03:59:45,189 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:59:45,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116776180] [2022-02-20 03:59:45,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116776180] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:59:45,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960681264] [2022-02-20 03:59:45,189 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 03:59:45,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:59:45,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:59:45,191 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) [2022-02-20 03:59:45,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 03:59:45,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 03:59:45,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:59:45,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 179 conjunts are in the unsatisfiable core [2022-02-20 03:59:45,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:00:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 22833 proven. 12153 refuted. 0 times theorem prover too weak. 11634 trivial. 0 not checked. [2022-02-20 04:00:04,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:00:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 20054 proven. 14938 refuted. 0 times theorem prover too weak. 11628 trivial. 0 not checked. [2022-02-20 04:00:25,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960681264] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:00:25,243 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:00:25,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 173, 179] total 405 [2022-02-20 04:00:25,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217967518] [2022-02-20 04:00:25,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:00:25,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 406 states [2022-02-20 04:00:25,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:00:25,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 406 interpolants. [2022-02-20 04:00:25,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24620, Invalid=139810, Unknown=0, NotChecked=0, Total=164430 [2022-02-20 04:00:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:00:25,256 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:00:25,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 406 states, 406 states have (on average 3.1748768472906406) internal successors, (1289), 405 states have internal predecessors, (1289), 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) [2022-02-20 04:00:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-20 04:00:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-02-20 04:00:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2022-02-20 04:00:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:02:28,966 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5561 transitions and produced 4264 states. [2022-02-20 04:02:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-20 04:02:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-02-20 04:02:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2022-02-20 04:02:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2022-02-20 04:02:28,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 04:02:29,167 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 [2022-02-20 04:02:29,167 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:02:29,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:02:29,168 INFO L85 PathProgramCache]: Analyzing trace with hash 88677491, now seen corresponding path program 5 times [2022-02-20 04:02:29,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:02:29,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904639407] [2022-02-20 04:02:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:02:29,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:02:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:02:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 9409 proven. 36184 refuted. 0 times theorem prover too weak. 20922 trivial. 0 not checked. [2022-02-20 04:02:40,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:02:40,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904639407] [2022-02-20 04:02:40,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904639407] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:02:40,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705005470] [2022-02-20 04:02:40,194 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:02:40,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:02:40,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:02:40,195 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) [2022-02-20 04:02:40,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:02:40,836 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s) [2022-02-20 04:02:40,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:02:40,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 483 conjunts are in the unsatisfiable core [2022-02-20 04:02:40,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:02:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 37031 proven. 10151 refuted. 0 times theorem prover too weak. 19333 trivial. 0 not checked. [2022-02-20 04:02:59,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:03:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 627 proven. 46555 refuted. 0 times theorem prover too weak. 19333 trivial. 0 not checked. [2022-02-20 04:03:30,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705005470] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:03:30,121 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:03:30,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 169, 169] total 517 [2022-02-20 04:03:30,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204104894] [2022-02-20 04:03:30,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:03:30,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 517 states [2022-02-20 04:03:30,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:03:30,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 517 interpolants. [2022-02-20 04:03:30,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45145, Invalid=221627, Unknown=0, NotChecked=0, Total=266772 [2022-02-20 04:03:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:03:30,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:03:30,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 517 states, 517 states have (on average 3.230174081237911) internal successors, (1670), 517 states have internal predecessors, (1670), 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) [2022-02-20 04:03:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-20 04:03:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-02-20 04:03:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2022-02-20 04:03:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2022-02-20 04:03:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:04:56,372 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7299 transitions and produced 5639 states. [2022-02-20 04:04:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-20 04:04:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-02-20 04:04:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2022-02-20 04:04:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2022-02-20 04:04:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2022-02-20 04:04:56,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 04:04:56,579 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 [2022-02-20 04:04:56,582 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:04:56,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:04:56,582 INFO L85 PathProgramCache]: Analyzing trace with hash 262666045, now seen corresponding path program 6 times [2022-02-20 04:04:56,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:04:56,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315978933] [2022-02-20 04:04:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:04:56,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:04:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:05:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 7051 proven. 79328 refuted. 0 times theorem prover too weak. 20441 trivial. 0 not checked. [2022-02-20 04:05:11,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:05:11,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315978933] [2022-02-20 04:05:11,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315978933] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:05:11,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531033156] [2022-02-20 04:05:11,269 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:05:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:05:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:05:11,270 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) [2022-02-20 04:05:11,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:05:12,468 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 188 check-sat command(s) [2022-02-20 04:05:12,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:05:12,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 3491 conjuncts, 215 conjunts are in the unsatisfiable core [2022-02-20 04:05:12,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:05:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 33549 proven. 43877 refuted. 0 times theorem prover too weak. 29394 trivial. 0 not checked. [2022-02-20 04:05:49,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:06:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 28422 proven. 49036 refuted. 0 times theorem prover too weak. 29362 trivial. 0 not checked. [2022-02-20 04:06:18,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531033156] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:06:18,745 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:06:18,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 207, 213] total 517 [2022-02-20 04:06:18,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470077101] [2022-02-20 04:06:18,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:06:18,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 518 states [2022-02-20 04:06:18,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:06:18,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 518 interpolants. [2022-02-20 04:06:18,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26319, Invalid=241487, Unknown=0, NotChecked=0, Total=267806 [2022-02-20 04:06:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:06:18,759 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:06:18,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 518 states, 518 states have (on average 4.117760617760617) internal successors, (2133), 517 states have internal predecessors, (2133), 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) [2022-02-20 04:06:18,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-20 04:06:18,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-02-20 04:06:18,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2022-02-20 04:06:18,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2022-02-20 04:06:18,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2022-02-20 04:06:18,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-20 04:08:24,059 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 [2022-02-20 04:08:24,059 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 [2022-02-20 04:08:24,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 04:08:24,076 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 [2022-02-20 04:08:24,263 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 [2022-02-20 04:08:24,263 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates. [2022-02-20 04:08:24,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-20 04:08:24,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-20 04:08:24,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-20 04:08:24,266 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-20 04:08:24,266 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-20 04:08:24,270 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:08:24,271 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:08:24,271 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:08:24,273 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:08:24 BasicIcfg [2022-02-20 04:08:24,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:08:24,273 INFO L158 Benchmark]: Toolchain (without parser) took 742059.51ms. Allocated memory was 177.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 141.3MB in the beginning and 571.8MB in the end (delta: -430.5MB). Peak memory consumption was 782.4MB. Max. memory is 8.0GB. [2022-02-20 04:08:24,274 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:08:24,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 177.2MB. Free memory was 141.3MB in the beginning and 139.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:08:24,274 INFO L158 Benchmark]: Boogie Preprocessor took 18.18ms. Allocated memory is still 177.2MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:08:24,274 INFO L158 Benchmark]: RCFGBuilder took 219.73ms. Allocated memory is still 177.2MB. Free memory was 138.8MB in the beginning and 128.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-20 04:08:24,274 INFO L158 Benchmark]: TraceAbstraction took 741782.66ms. Allocated memory was 177.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 128.1MB in the beginning and 571.8MB in the end (delta: -443.7MB). Peak memory consumption was 769.8MB. Max. memory is 8.0GB. [2022-02-20 04:08:24,275 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 0.09ms. Allocated memory is still 177.2MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.67ms. Allocated memory is still 177.2MB. Free memory was 141.3MB in the beginning and 139.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.18ms. Allocated memory is still 177.2MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 219.73ms. Allocated memory is still 177.2MB. Free memory was 138.8MB in the beginning and 128.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 741782.66ms. Allocated memory was 177.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 128.1MB in the beginning and 571.8MB in the end (delta: -443.7MB). Peak memory consumption was 769.8MB. 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 741.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 493.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1874, 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: 0.3s SsaConstructionTime, 9.4s SatisfiabilityAnalysisTime, 236.3s InterpolantComputationTime, 9380 NumberOfCodeBlocks, 9374 NumberOfCodeBlocksAsserted, 404 NumberOfCheckSat, 14052 ConstructedInterpolants, 0 QuantifiedInterpolants, 101278 SizeOfPredicates, 29 NumberOfNonLiveVariables, 12996 ConjunctsInSsa, 1242 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 461777/866127 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