/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 06:11:09,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:11:09,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:11:09,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 06:11:09,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 06:11:09,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 06:11:09,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 06:11:09,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 06:11:09,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 06:11:09,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 06:11:09,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 06:11:09,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 06:11:09,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:11:09,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:11:09,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:11:09,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:11:09,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:11:09,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:11:09,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:11:09,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:11:09,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:11:09,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:11:09,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:11:09,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:11:09,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:11:09,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:11:09,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:11:09,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:11:09,550 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 [2022-03-04 06:11:09,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:11:09,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:11:09,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:11:09,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:11:09,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:11:09,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:11:09,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:11:09,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:11:09,580 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:11:09,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:11:09,580 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:11:09,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:11:09,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:11:09,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:11:09,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:11:09,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:11:09,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:11:09,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:11:09,583 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:11:09,583 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:11:09,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:11:09,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:11:09,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:11:09,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:11:09,780 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:11:09,781 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:11:09,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-03-04 06:11:09,782 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-03-04 06:11:09,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:11:09,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:11:09,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:11:09,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:11:09,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:11:09,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,830 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:11:09,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:11:09,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:11:09,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:11:09,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:11:09,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:11:09,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:11:09,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:11:09,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:11:09,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/1) ... [2022-03-04 06:11:09,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:11:09,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:09,898 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) [2022-03-04 06:11:09,914 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 [2022-03-04 06:11:09,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:11:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:11:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:11:09,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:11:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:11:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:11:09,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:11:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:11:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:11:09,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:11:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:11:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:11:09,929 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 06:11:09,964 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:11:09,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:11:10,040 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:11:10,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:11:10,046 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:11:10,047 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:11:10 BoogieIcfgContainer [2022-03-04 06:11:10,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:11:10,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:11:10,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:11:10,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:11:10,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:11:09" (1/2) ... [2022-03-04 06:11:10,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eba06a7 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:11:10, skipping insertion in model container [2022-03-04 06:11:10,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:11:10" (2/2) ... [2022-03-04 06:11:10,053 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-03-04 06:11:10,057 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:11:10,057 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:11:10,057 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:11:10,057 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:11:10,084 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:11:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:11:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:10,124 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) [2022-03-04 06:11:10,162 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 [2022-03-04 06:11:10,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:11:10,188 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 [2022-03-04 06:11:10,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:11:10,403 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8178 transitions and produced 2915 states. [2022-03-04 06:11:10,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:10,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:10,409 INFO L85 PathProgramCache]: Analyzing trace with hash -81348019, now seen corresponding path program 1 times [2022-03-04 06:11:10,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:10,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758661622] [2022-03-04 06:11:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:10,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 232 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:11,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:11,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758661622] [2022-03-04 06:11:11,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758661622] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:11,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634382538] [2022-03-04 06:11:11,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:11,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:11,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:11,073 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) [2022-03-04 06:11:11,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 06:11:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:11,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-04 06:11:11,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-03-04 06:11:11,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-03-04 06:11:11,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634382538] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:11:11,858 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:11:11,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 11, 11] total 38 [2022-03-04 06:11:11,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340892946] [2022-03-04 06:11:11,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:11:11,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-04 06:11:11,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:11:11,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-04 06:11:11,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1170, Unknown=0, NotChecked=0, Total=1406 [2022-03-04 06:11:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:11,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:11:11,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.3947368421052633) internal successors, (129), 38 states have internal predecessors, (129), 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) [2022-03-04 06:11:11,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:12,393 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8194 transitions and produced 2931 states. [2022-03-04 06:11:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:12,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 06:11:12,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 06:11:12,614 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:12,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:12,617 INFO L85 PathProgramCache]: Analyzing trace with hash 280146584, now seen corresponding path program 2 times [2022-03-04 06:11:12,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:12,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064650440] [2022-03-04 06:11:12,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 232 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:12,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:12,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064650440] [2022-03-04 06:11:12,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064650440] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:12,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995724701] [2022-03-04 06:11:12,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:11:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:12,918 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) [2022-03-04 06:11:12,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:11:12,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:11:12,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:11:12,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-04 06:11:12,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-04 06:11:13,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-04 06:11:13,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995724701] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:11:13,694 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:11:13,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 13, 13] total 46 [2022-03-04 06:11:13,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262842465] [2022-03-04 06:11:13,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:11:13,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-04 06:11:13,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:11:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-04 06:11:13,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1685, Unknown=0, NotChecked=0, Total=2070 [2022-03-04 06:11:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:13,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:11:13,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.217391304347826) internal successors, (148), 46 states have internal predecessors, (148), 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) [2022-03-04 06:11:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:14,132 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 560 transitions and produced 403 states. [2022-03-04 06:11:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:14,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:14,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:11:14,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:14,351 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:14,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2082853485, now seen corresponding path program 3 times [2022-03-04 06:11:14,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:14,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145440883] [2022-03-04 06:11:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:14,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 206 proven. 48 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-04 06:11:14,483 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:14,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145440883] [2022-03-04 06:11:14,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145440883] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:14,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056295964] [2022-03-04 06:11:14,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:11:14,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:14,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:14,500 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) [2022-03-04 06:11:14,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:11:14,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-04 06:11:14,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:11:14,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-04 06:11:14,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 206 proven. 48 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-04 06:11:14,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 219 proven. 35 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-04 06:11:15,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056295964] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:11:15,047 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:11:15,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-03-04 06:11:15,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399427213] [2022-03-04 06:11:15,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:11:15,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-04 06:11:15,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:11:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-04 06:11:15,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2022-03-04 06:11:15,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:15,050 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:11:15,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 30 states have internal predecessors, (105), 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) [2022-03-04 06:11:15,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:15,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:15,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:15,443 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 576 transitions and produced 419 states. [2022-03-04 06:11:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:15,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:11:15,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:15,661 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:15,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:15,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2041895304, now seen corresponding path program 4 times [2022-03-04 06:11:15,662 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:15,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678703830] [2022-03-04 06:11:15,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:15,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 232 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:15,973 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:15,973 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678703830] [2022-03-04 06:11:15,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678703830] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:15,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889720867] [2022-03-04 06:11:15,974 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:11:15,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:15,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:15,975 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) [2022-03-04 06:11:15,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:11:16,013 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:11:16,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:11:16,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-04 06:11:16,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 152 proven. 71 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-04 06:11:16,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 172 proven. 51 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-04 06:11:16,874 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889720867] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:11:16,874 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:11:16,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 54 [2022-03-04 06:11:16,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797049027] [2022-03-04 06:11:16,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:11:16,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-03-04 06:11:16,875 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:11:16,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-03-04 06:11:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=504, Invalid=2358, Unknown=0, NotChecked=0, Total=2862 [2022-03-04 06:11:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:16,877 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:11:16,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 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) [2022-03-04 06:11:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:17,308 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 592 transitions and produced 435 states. [2022-03-04 06:11:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 06:11:17,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:11:17,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:17,510 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:17,510 INFO L85 PathProgramCache]: Analyzing trace with hash 876237453, now seen corresponding path program 5 times [2022-03-04 06:11:17,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:17,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127419178] [2022-03-04 06:11:17,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:17,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 232 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:17,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:17,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127419178] [2022-03-04 06:11:17,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127419178] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:17,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721341758] [2022-03-04 06:11:17,945 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:11:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:17,946 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) [2022-03-04 06:11:17,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:11:17,993 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-04 06:11:17,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:11:17,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-04 06:11:17,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 232 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:18,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 282 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:19,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721341758] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:11:19,644 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:11:19,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 80 [2022-03-04 06:11:19,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816371993] [2022-03-04 06:11:19,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:11:19,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-04 06:11:19,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:11:19,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-04 06:11:19,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=4923, Unknown=0, NotChecked=0, Total=6320 [2022-03-04 06:11:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:19,646 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:11:19,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.1) internal successors, (248), 80 states have internal predecessors, (248), 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) [2022-03-04 06:11:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 06:11:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:20,713 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 736 transitions and produced 558 states. [2022-03-04 06:11:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 06:11:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 06:11:20,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:11:20,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:20,935 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1113936344, now seen corresponding path program 6 times [2022-03-04 06:11:20,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:20,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955819709] [2022-03-04 06:11:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:20,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 232 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:21,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:21,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955819709] [2022-03-04 06:11:21,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955819709] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:21,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418994147] [2022-03-04 06:11:21,366 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:11:21,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:21,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:21,380 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) [2022-03-04 06:11:21,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:11:21,449 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-04 06:11:21,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:11:21,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-04 06:11:21,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 232 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:22,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 282 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:23,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418994147] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:11:23,806 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:11:23,806 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 105 [2022-03-04 06:11:23,806 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054252445] [2022-03-04 06:11:23,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:11:23,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-03-04 06:11:23,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:11:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-03-04 06:11:23,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1900, Invalid=9020, Unknown=0, NotChecked=0, Total=10920 [2022-03-04 06:11:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:23,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:11:23,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 3.123809523809524) internal successors, (328), 105 states have internal predecessors, (328), 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) [2022-03-04 06:11:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 06:11:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-04 06:11:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:11:25,028 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 768 transitions and produced 608 states. [2022-03-04 06:11:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 06:11:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 06:11:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 06:11:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 06:11:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 06:11:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-03-04 06:11:25,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:11:25,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:25,229 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:11:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:11:25,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1658410424, now seen corresponding path program 7 times [2022-03-04 06:11:25,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:11:25,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357089342] [2022-03-04 06:11:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:11:25,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:11:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 115 proven. 644 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:32,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:11:32,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357089342] [2022-03-04 06:11:32,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357089342] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:11:32,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799351664] [2022-03-04 06:11:32,856 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 06:11:32,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:11:32,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:11:32,861 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) [2022-03-04 06:11:32,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 06:11:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:11:32,919 WARN L261 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 152 conjunts are in the unsatisfiable core [2022-03-04 06:11:32,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:11:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:44,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:11:44,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:44,966 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 153 disjoint index pairs (out of 253 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 46 [2022-03-04 06:11:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 759 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:11:45,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:12:03,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:03,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:12:43,950 WARN L228 SmtUtils]: Spent 40.12s on a formula simplification. DAG size of input: 2298 DAG size of output: 1646 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 06:12:43,954 INFO L353 Elim1Store]: treesize reduction 2594, result has 59.7 percent of original size [2022-03-04 06:12:43,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 78 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 552 case distinctions, treesize of input 180 treesize of output 3887 Received shutdown request... [2022-03-04 06:25:43,092 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 [2022-03-04 06:25:43,092 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 [2022-03-04 06:25:43,092 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 [2022-03-04 06:25:43,101 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:25:43,103 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:25:43,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 06:25:43,303 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,SelfDestructingSolverStorable6 [2022-03-04 06:25:43,304 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. [2022-03-04 06:25:43,305 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:25:43,305 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:25:43,305 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:25:43,309 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-04 06:25:43,310 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:25:43,310 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:25:43,312 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:25:43 BasicIcfg [2022-03-04 06:25:43,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:25:43,312 INFO L158 Benchmark]: Toolchain (without parser) took 873508.26ms. Allocated memory was 182.5MB in the beginning and 958.4MB in the end (delta: 775.9MB). Free memory was 143.0MB in the beginning and 421.7MB in the end (delta: -278.7MB). Peak memory consumption was 618.3MB. Max. memory is 8.0GB. [2022-03-04 06:25:43,312 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:25:43,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.31ms. Allocated memory is still 182.5MB. Free memory was 142.9MB in the beginning and 141.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:25:43,313 INFO L158 Benchmark]: Boogie Preprocessor took 10.55ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 140.4MB in the end (delta: 991.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:25:43,313 INFO L158 Benchmark]: RCFGBuilder took 203.86ms. Allocated memory is still 182.5MB. Free memory was 140.3MB in the beginning and 131.2MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:25:43,313 INFO L158 Benchmark]: TraceAbstraction took 873263.06ms. Allocated memory was 182.5MB in the beginning and 958.4MB in the end (delta: 775.9MB). Free memory was 130.6MB in the beginning and 421.7MB in the end (delta: -291.1MB). Peak memory consumption was 605.7MB. Max. memory is 8.0GB. [2022-03-04 06:25:43,314 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 0.10ms. Allocated memory is still 182.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.31ms. Allocated memory is still 182.5MB. Free memory was 142.9MB in the beginning and 141.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.55ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 140.4MB in the end (delta: 991.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 203.86ms. Allocated memory is still 182.5MB. Free memory was 140.3MB in the beginning and 131.2MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 873263.06ms. Allocated memory was 182.5MB in the beginning and 958.4MB in the end (delta: 775.9MB). Free memory was 130.6MB in the beginning and 421.7MB in the end (delta: -291.1MB). Peak memory consumption was 605.7MB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 263, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 1110 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1647 ConstructedInterpolants, 0 QuantifiedInterpolants, 10247 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1011 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 4680/6774 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