/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 04:32:00,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 04:32:00,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 04:32:00,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 04:32:00,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 04:32:00,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 04:32:00,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 04:32:00,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 04:32:00,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 04:32:00,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 04:32:00,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 04:32:00,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 04:32:00,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 04:32:00,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 04:32:00,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 04:32:00,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 04:32:00,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 04:32:00,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 04:32:00,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 04:32:00,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 04:32:00,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 04:32:00,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 04:32:00,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 04:32:00,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 04:32:00,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 04:32:00,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 04:32:00,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 04:32:00,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 04:32:00,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 04:32:00,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 04:32:00,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 04:32:00,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:32:00,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 04:32:00,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 04:32:00,261 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 04:32:00,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 04:32:00,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 04:32:00,261 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 04:32:00,261 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 04:32:00,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 04:32:00,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 04:32:00,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 04:32:00,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 04:32:00,467 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 04:32:00,470 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 04:32:00,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2022-03-02 04:32:00,471 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2022-03-02 04:32:00,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 04:32:00,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 04:32:00,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 04:32:00,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 04:32:00,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 04:32:00,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,535 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 04:32:00,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 04:32:00,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 04:32:00,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 04:32:00,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 04:32:00,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 04:32:00,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 04:32:00,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 04:32:00,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 04:32:00,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/1) ... [2022-03-02 04:32:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:32:00,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:32:00,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 04:32:00,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 04:32:00,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 04:32:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 04:32:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 04:32:00,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 04:32:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 04:32:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 04:32:00,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 04:32:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 04:32:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 04:32:00,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 04:32:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 04:32:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 04:32:00,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-02 04:32:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-02 04:32:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-02 04:32:00,619 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 04:32:00,664 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 04:32:00,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 04:32:00,792 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 04:32:00,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 04:32:00,808 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 04:32:00,809 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:32:00 BoogieIcfgContainer [2022-03-02 04:32:00,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 04:32:00,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 04:32:00,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 04:32:00,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 04:32:00,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:32:00" (1/2) ... [2022-03-02 04:32:00,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5dcff0 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 04:32:00, skipping insertion in model container [2022-03-02 04:32:00,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:32:00" (2/2) ... [2022-03-02 04:32:00,821 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2022-03-02 04:32:00,825 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 04:32:00,825 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 04:32:00,825 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 04:32:00,825 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 04:32:00,874 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-02 04:32:00,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 04:32:00,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:32:00,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 04:32:01,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 04:32:01,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 04:32:01,056 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 04:32:01,056 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-02 04:32:01,321 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12631 transitions and produced 4480 states. [2022-03-02 04:32:01,322 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:32:01,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:32:01,329 INFO L85 PathProgramCache]: Analyzing trace with hash 170228445, now seen corresponding path program 1 times [2022-03-02 04:32:01,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:32:01,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513825043] [2022-03-02 04:32:01,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:32:01,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:32:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:32:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2762 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 1893 trivial. 0 not checked. [2022-03-02 04:32:01,659 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:32:01,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513825043] [2022-03-02 04:32:01,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513825043] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:32:01,660 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 04:32:01,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 04:32:01,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466346608] [2022-03-02 04:32:01,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:32:01,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 04:32:01,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:32:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 04:32:01,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 04:32:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:01,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:32:01,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:32:01,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:01,849 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1431 transitions and produced 906 states. [2022-03-02 04:32:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:01,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 04:32:01,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:32:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:32:01,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1501018683, now seen corresponding path program 2 times [2022-03-02 04:32:01,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:32:01,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881468734] [2022-03-02 04:32:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:32:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:32:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:32:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 2472 proven. 446 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-02 04:32:03,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:32:03,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881468734] [2022-03-02 04:32:03,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881468734] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:32:03,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971259032] [2022-03-02 04:32:03,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:32:03,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:32:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:32:03,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:32:03,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 04:32:03,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:32:03,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:32:03,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-02 04:32:03,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:32:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 2585 proven. 120 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-03-02 04:32:04,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:32:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 2585 proven. 120 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-03-02 04:32:05,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971259032] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:32:05,112 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:32:05,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 21, 21] total 77 [2022-03-02 04:32:05,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356384285] [2022-03-02 04:32:05,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:32:05,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-03-02 04:32:05,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:32:05,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-03-02 04:32:05,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=4600, Unknown=0, NotChecked=0, Total=6006 [2022-03-02 04:32:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:05,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:32:05,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 5.487179487179487) internal successors, (428), 77 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:32:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:07,775 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2532 transitions and produced 1961 states. [2022-03-02 04:32:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:07,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 04:32:07,993 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,SelfDestructingSolverStorable1 [2022-03-02 04:32:07,993 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:32:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:32:07,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1249696097, now seen corresponding path program 3 times [2022-03-02 04:32:07,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:32:07,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397981913] [2022-03-02 04:32:07,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:32:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:32:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:32:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12695 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 12424 trivial. 0 not checked. [2022-03-02 04:32:08,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:32:08,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397981913] [2022-03-02 04:32:08,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397981913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:32:08,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 04:32:08,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 04:32:08,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364127090] [2022-03-02 04:32:08,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:32:08,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 04:32:08,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:32:08,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 04:32:08,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 04:32:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:08,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:32:08,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:32:08,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:08,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:08,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:08,167 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2505 transitions and produced 1936 states. [2022-03-02 04:32:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:08,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-02 04:32:08,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:32:08,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:32:08,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2090280474, now seen corresponding path program 4 times [2022-03-02 04:32:08,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:32:08,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242812620] [2022-03-02 04:32:08,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:32:08,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:32:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:32:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12437 backedges. 5765 proven. 6603 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-03-02 04:32:11,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:32:11,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242812620] [2022-03-02 04:32:11,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242812620] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:32:11,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599133834] [2022-03-02 04:32:11,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:32:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:32:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:32:11,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:32:11,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 04:32:11,447 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:32:11,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:32:11,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 128 conjunts are in the unsatisfiable core [2022-03-02 04:32:11,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:32:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12437 backedges. 10132 proven. 2078 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-03-02 04:32:14,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:32:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12437 backedges. 10132 proven. 2078 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-03-02 04:32:16,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599133834] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:32:16,536 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:32:16,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 64, 64] total 177 [2022-03-02 04:32:16,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248359810] [2022-03-02 04:32:16,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:32:16,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2022-03-02 04:32:16,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:32:16,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2022-03-02 04:32:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7635, Invalid=23871, Unknown=0, NotChecked=0, Total=31506 [2022-03-02 04:32:16,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:16,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:32:16,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 4.904494382022472) internal successors, (873), 177 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:32:16,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:16,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:16,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:16,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:23,072 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3747 transitions and produced 2962 states. [2022-03-02 04:32:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:23,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:32:23,090 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 04:32:23,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:32:23,274 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:32:23,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:32:23,274 INFO L85 PathProgramCache]: Analyzing trace with hash -157571938, now seen corresponding path program 5 times [2022-03-02 04:32:23,275 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:32:23,275 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218995109] [2022-03-02 04:32:23,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:32:23,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:32:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:32:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 29296 backedges. 13820 proven. 15406 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-03-02 04:32:29,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:32:29,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218995109] [2022-03-02 04:32:29,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218995109] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:32:29,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032495915] [2022-03-02 04:32:29,933 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:32:29,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:32:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:32:29,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:32:29,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 04:32:30,680 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s) [2022-03-02 04:32:30,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:32:30,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1633 conjuncts, 201 conjunts are in the unsatisfiable core [2022-03-02 04:32:30,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:32:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 29296 backedges. 23407 proven. 5662 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-03-02 04:32:38,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:32:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 29296 backedges. 23407 proven. 5662 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-03-02 04:32:40,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032495915] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:32:40,738 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:32:40,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [154, 109, 109] total 304 [2022-03-02 04:32:40,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078338305] [2022-03-02 04:32:40,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:32:40,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 305 states [2022-03-02 04:32:40,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:32:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 305 interpolants. [2022-03-02 04:32:40,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24579, Invalid=68141, Unknown=0, NotChecked=0, Total=92720 [2022-03-02 04:32:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:40,756 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:32:40,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 305 states, 305 states have (on average 4.380327868852459) internal successors, (1336), 304 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:32:40,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:40,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:40,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:40,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:32:40,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:32:58,586 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5142 transitions and produced 4088 states. [2022-03-02 04:32:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:32:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:32:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:32:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:32:58,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 04:32:58,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:32:58,788 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:32:58,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:32:58,789 INFO L85 PathProgramCache]: Analyzing trace with hash 275097556, now seen corresponding path program 6 times [2022-03-02 04:32:58,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:32:58,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639486237] [2022-03-02 04:32:58,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:32:58,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:32:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:33:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 57691 backedges. 27950 proven. 29671 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-03-02 04:33:14,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:33:14,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639486237] [2022-03-02 04:33:14,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639486237] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:33:14,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853016428] [2022-03-02 04:33:14,017 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:33:14,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:33:14,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:33:14,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:33:14,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 04:33:14,120 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-03-02 04:33:14,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:33:14,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-02 04:33:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:33:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 57691 backedges. 401 proven. 5 refuted. 0 times theorem prover too weak. 57285 trivial. 0 not checked. [2022-03-02 04:33:15,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:33:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 57691 backedges. 401 proven. 5 refuted. 0 times theorem prover too weak. 57285 trivial. 0 not checked. [2022-03-02 04:33:16,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853016428] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:33:16,018 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:33:16,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [244, 6, 6] total 249 [2022-03-02 04:33:16,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212329501] [2022-03-02 04:33:16,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:33:16,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2022-03-02 04:33:16,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:33:16,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2022-03-02 04:33:16,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16920, Invalid=44832, Unknown=0, NotChecked=0, Total=61752 [2022-03-02 04:33:16,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:33:16,030 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:33:16,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 3.3815261044176705) internal successors, (842), 249 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:33:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:33:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:33:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:33:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:33:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:33:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:33:42,847 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6224 transitions and produced 5025 states. [2022-03-02 04:33:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:33:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:33:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:33:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:33:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:33:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2022-03-02 04:33:42,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 04:33:43,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:33:43,055 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:33:43,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:33:43,056 INFO L85 PathProgramCache]: Analyzing trace with hash -239918399, now seen corresponding path program 7 times [2022-03-02 04:33:43,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:33:43,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472704522] [2022-03-02 04:33:43,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:33:43,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:33:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:34:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 84425 backedges. 48177 proven. 36174 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-03-02 04:34:05,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:34:05,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472704522] [2022-03-02 04:34:05,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472704522] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:34:05,649 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006428430] [2022-03-02 04:34:05,649 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 04:34:05,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:34:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:34:05,650 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:34:05,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 04:34:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:34:06,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 340 conjunts are in the unsatisfiable core [2022-03-02 04:34:06,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:34:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 84425 backedges. 68330 proven. 15834 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-03-02 04:34:28,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:34:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 84425 backedges. 68330 proven. 15834 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-03-02 04:34:35,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006428430] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:34:35,884 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:34:35,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [294, 199, 199] total 575 [2022-03-02 04:34:35,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858747643] [2022-03-02 04:34:35,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:34:35,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 576 states [2022-03-02 04:34:35,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:34:35,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 576 interpolants. [2022-03-02 04:34:35,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93900, Invalid=237300, Unknown=0, NotChecked=0, Total=331200 [2022-03-02 04:34:35,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:34:35,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:34:35,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 576 states, 576 states have (on average 3.9809027777777777) internal successors, (2293), 575 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:34:35,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:34:35,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:34:35,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:34:35,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:34:35,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:34:35,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2022-03-02 04:34:35,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:36:27,252 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7997 transitions and produced 6405 states. [2022-03-02 04:36:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:36:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:36:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:36:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:36:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:36:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2022-03-02 04:36:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 535 states. [2022-03-02 04:36:27,281 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 04:36:27,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:36:27,454 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:36:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:36:27,454 INFO L85 PathProgramCache]: Analyzing trace with hash 481992479, now seen corresponding path program 8 times [2022-03-02 04:36:27,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:36:27,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352472349] [2022-03-02 04:36:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:36:27,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:36:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 145592 backedges. 74457 proven. 71061 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-03-02 04:37:09,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:09,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352472349] [2022-03-02 04:37:09,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352472349] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:37:09,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714293788] [2022-03-02 04:37:09,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:37:09,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:09,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:09,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:37:09,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 04:37:10,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:37:10,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:37:10,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 3427 conjuncts, 472 conjunts are in the unsatisfiable core [2022-03-02 04:37:10,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:37:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 145592 backedges. 99830 proven. 45501 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-03-02 04:37:48,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:37:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 145592 backedges. 99830 proven. 45501 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-03-02 04:37:54,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714293788] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:37:54,554 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:37:54,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [426, 244, 244] total 710 [2022-03-02 04:37:54,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414297611] [2022-03-02 04:37:54,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:37:54,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 711 states [2022-03-02 04:37:54,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:37:54,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 711 interpolants. [2022-03-02 04:37:54,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130683, Invalid=374127, Unknown=0, NotChecked=0, Total=504810 [2022-03-02 04:37:54,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:54,599 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:37:54,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 711 states, 711 states have (on average 3.7988748241912798) internal successors, (2701), 710 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 535 states. [2022-03-02 04:37:54,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:40:56,731 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9392 transitions and produced 7531 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2022-03-02 04:40:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 535 states. [2022-03-02 04:40:56,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 712 states. [2022-03-02 04:40:56,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 04:40:56,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:40:56,936 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 04:40:56,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:40:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1667363273, now seen corresponding path program 9 times [2022-03-02 04:40:56,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:40:56,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805261680] [2022-03-02 04:40:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:40:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:40:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:41:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 204452 backedges. 106812 proven. 97566 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-03-02 04:41:59,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:41:59,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805261680] [2022-03-02 04:41:59,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805261680] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:41:59,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997299328] [2022-03-02 04:41:59,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:41:59,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:41:59,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:41:59,246 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:41:59,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 04:41:59,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-02 04:41:59,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:41:59,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-02 04:41:59,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:42:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 204452 backedges. 1166 proven. 15 refuted. 0 times theorem prover too weak. 203271 trivial. 0 not checked. [2022-03-02 04:42:01,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:42:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 204452 backedges. 1166 proven. 15 refuted. 0 times theorem prover too weak. 203271 trivial. 0 not checked. [2022-03-02 04:42:03,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997299328] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:42:03,118 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:42:03,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [516, 8, 8] total 524 [2022-03-02 04:42:03,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490551066] [2022-03-02 04:42:03,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:42:03,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 524 states [2022-03-02 04:42:03,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:42:03,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 524 interpolants. [2022-03-02 04:42:03,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86528, Invalid=187524, Unknown=0, NotChecked=0, Total=274052 [2022-03-02 04:42:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:42:03,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:42:03,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 524 states, 524 states have (on average 2.9580152671755724) internal successors, (1550), 524 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:42:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 535 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 712 states. [2022-03-02 04:42:03,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-02 04:44:39,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 04:44:39,656 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:44:39,656 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:44:39,656 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:44:39,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-02 04:44:39,818 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1194 known predicates. [2022-03-02 04:44:39,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-02 04:44:39,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-02 04:44:39,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-02 04:44:39,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-02 04:44:39,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-02 04:44:39,827 INFO L732 BasicCegarLoop]: Path program histogram: [9] [2022-03-02 04:44:39,829 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 04:44:39,829 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 04:44:39,831 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 04:44:39 BasicIcfg [2022-03-02 04:44:39,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 04:44:39,832 INFO L158 Benchmark]: Toolchain (without parser) took 759330.10ms. Allocated memory was 168.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 125.8MB in the beginning and 422.0MB in the end (delta: -296.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 04:44:39,832 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 168.8MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:44:39,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.37ms. Allocated memory is still 168.8MB. Free memory was 125.8MB in the beginning and 124.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:44:39,832 INFO L158 Benchmark]: Boogie Preprocessor took 15.37ms. Allocated memory is still 168.8MB. Free memory was 124.2MB in the beginning and 123.2MB in the end (delta: 994.2kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 04:44:39,832 INFO L158 Benchmark]: RCFGBuilder took 254.10ms. Allocated memory is still 168.8MB. Free memory was 123.2MB in the beginning and 113.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 04:44:39,833 INFO L158 Benchmark]: TraceAbstraction took 759020.49ms. Allocated memory was 168.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 112.7MB in the beginning and 422.0MB in the end (delta: -309.3MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 04:44:39,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15ms. Allocated memory is still 168.8MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.37ms. Allocated memory is still 168.8MB. Free memory was 125.8MB in the beginning and 124.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.37ms. Allocated memory is still 168.8MB. Free memory was 124.2MB in the beginning and 123.2MB in the end (delta: 994.2kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 254.10ms. Allocated memory is still 168.8MB. Free memory was 123.2MB in the beginning and 113.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 759020.49ms. Allocated memory was 168.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 112.7MB in the beginning and 422.0MB in the end (delta: -309.3MB). Peak memory consumption was 1.4GB. 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: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1194 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 1194 known predicates. - TimeoutResultAtElement [Line: 76]: 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 1194 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 1194 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 1194 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 758.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 504.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3300, 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: 0.4s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 244.0s InterpolantComputationTime, 12911 NumberOfCodeBlocks, 10682 NumberOfCodeBlocksAsserted, 155 NumberOfCheckSat, 18999 ConstructedInterpolants, 0 QuantifiedInterpolants, 103368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 9953 ConjunctsInSsa, 1220 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 1230650/1626007 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