/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:33:07,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:33:07,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:33:07,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 01:33:07,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 01:33:07,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 01:33:07,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 01:33:07,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 01:33:07,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 01:33:07,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 01:33:07,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 01:33:07,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 01:33:07,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 01:33:07,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 01:33:07,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 01:33:07,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 01:33:07,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 01:33:07,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 01:33:07,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 01:33:07,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 01:33:07,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 01:33:07,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 01:33:07,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 01:33:07,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 01:33:07,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 01:33:07,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 01:33:07,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 01:33:07,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 01:33:07,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-04 01:33:07,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:33:07,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:33:07,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:33:07,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:33:07,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:33:07,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:33:07,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:33:07,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:33:07,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:33:07,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:33:07,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:33:07,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:33:07,542 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:33:07,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:33:07,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:33:07,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:33:07,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:33:07,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:33:07,752 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:33:07,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2022-03-04 01:33:07,753 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2022-03-04 01:33:07,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:33:07,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:33:07,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:33:07,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:33:07,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:33:07,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,798 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:33:07,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:33:07,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:33:07,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:33:07,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:33:07,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:33:07,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:33:07,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:33:07,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:33:07,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/1) ... [2022-03-04 01:33:07,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:33:07,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:07,852 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 01:33:07,868 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 01:33:07,882 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:33:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:33:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:33:07,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:33:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:33:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:33:07,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:33:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:33:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:33:07,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 01:33:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 01:33:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 01:33:07,884 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 01:33:07,918 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:33:07,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:33:07,999 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:33:08,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:33:08,010 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:33:08,017 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:33:08 BoogieIcfgContainer [2022-03-04 01:33:08,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:33:08,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:33:08,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:33:08,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:33:08,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:33:07" (1/2) ... [2022-03-04 01:33:08,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac6a2a6 and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:33:08, skipping insertion in model container [2022-03-04 01:33:08,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:33:08" (2/2) ... [2022-03-04 01:33:08,047 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2022-03-04 01:33:08,051 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:33:08,051 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:33:08,051 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:33:08,051 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:33:08,088 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 01:33:08,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:33:08,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:08,126 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 01:33:08,128 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 01:33:08,161 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:33:08,168 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-04 01:33:08,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 01:33:08,586 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1682 transitions and produced 636 states. [2022-03-04 01:33:08,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:33:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:33:08,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1755737126, now seen corresponding path program 1 times [2022-03-04 01:33:08,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:33:08,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872713575] [2022-03-04 01:33:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:08,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:33:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:09,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:33:09,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872713575] [2022-03-04 01:33:09,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872713575] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:33:09,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126023542] [2022-03-04 01:33:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:33:09,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:09,009 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 01:33:09,010 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 01:33:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:09,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 01:33:09,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:33:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-04 01:33:09,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:33:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-04 01:33:09,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126023542] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:33:09,457 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:33:09,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 23 [2022-03-04 01:33:09,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596954747] [2022-03-04 01:33:09,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:33:09,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 01:33:09,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:33:09,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 01:33:09,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2022-03-04 01:33:09,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:09,481 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:33:09,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 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 01:33:09,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:09,968 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1693 transitions and produced 647 states. [2022-03-04 01:33:09,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:09,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 01:33:10,185 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 01:33:10,186 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:33:10,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:33:10,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1366218564, now seen corresponding path program 2 times [2022-03-04 01:33:10,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:33:10,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878132368] [2022-03-04 01:33:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:10,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:33:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 01:33:10,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:33:10,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878132368] [2022-03-04 01:33:10,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878132368] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:33:10,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113555449] [2022-03-04 01:33:10,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:33:10,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:33:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:10,284 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) [2022-03-04 01:33:10,285 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 01:33:10,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:33:10,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:33:10,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 01:33:10,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:33:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-04 01:33:10,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:33:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-04 01:33:10,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113555449] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:33:10,607 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:33:10,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 23 [2022-03-04 01:33:10,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423974690] [2022-03-04 01:33:10,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:33:10,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 01:33:10,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:33:10,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 01:33:10,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2022-03-04 01:33:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:10,609 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:33:10,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 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 01:33:10,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:10,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:11,149 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1704 transitions and produced 658 states. [2022-03-04 01:33:11,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:11,168 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 01:33:11,366 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 01:33:11,367 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:33:11,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:33:11,367 INFO L85 PathProgramCache]: Analyzing trace with hash 701035234, now seen corresponding path program 3 times [2022-03-04 01:33:11,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:33:11,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124904284] [2022-03-04 01:33:11,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:33:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:11,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:33:11,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124904284] [2022-03-04 01:33:11,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124904284] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:33:11,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141334056] [2022-03-04 01:33:11,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 01:33:11,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:33:11,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:11,487 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 01:33:11,488 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 01:33:11,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-04 01:33:11,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:33:11,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-04 01:33:11,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:33:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 01:33:11,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:33:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 01:33:11,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141334056] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:33:11,979 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:33:11,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 35 [2022-03-04 01:33:11,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463684505] [2022-03-04 01:33:11,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:33:11,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-04 01:33:11,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:33:11,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-04 01:33:11,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2022-03-04 01:33:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:11,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:33:11,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5428571428571427) internal successors, (89), 35 states have internal predecessors, (89), 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 01:33:11,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:11,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:11,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:12,346 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 237 transitions and produced 184 states. [2022-03-04 01:33:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:12,371 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 01:33:12,563 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 01:33:12,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:33:12,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:33:12,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1409982208, now seen corresponding path program 4 times [2022-03-04 01:33:12,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:33:12,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500070066] [2022-03-04 01:33:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:12,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:33:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:12,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:33:12,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500070066] [2022-03-04 01:33:12,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500070066] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:33:12,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183517089] [2022-03-04 01:33:12,692 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:33:12,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:33:12,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:12,694 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 01:33:12,695 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 01:33:12,726 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:33:12,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:33:12,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-04 01:33:12,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:33:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 01:33:12,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:33:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 01:33:13,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183517089] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:33:13,153 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:33:13,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 35 [2022-03-04 01:33:13,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479328982] [2022-03-04 01:33:13,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:33:13,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-04 01:33:13,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:33:13,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-04 01:33:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2022-03-04 01:33:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:13,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:33:13,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.657142857142857) internal successors, (93), 35 states have internal predecessors, (93), 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 01:33:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:13,723 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1726 transitions and produced 680 states. [2022-03-04 01:33:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:13,743 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 01:33:13,939 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 01:33:13,939 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:33:13,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:33:13,940 INFO L85 PathProgramCache]: Analyzing trace with hash -191775842, now seen corresponding path program 5 times [2022-03-04 01:33:13,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:33:13,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560395057] [2022-03-04 01:33:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:13,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:33:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:14,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:33:14,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560395057] [2022-03-04 01:33:14,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560395057] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:33:14,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102781310] [2022-03-04 01:33:14,113 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 01:33:14,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:33:14,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:14,114 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 01:33:14,115 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 01:33:14,154 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-03-04 01:33:14,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:33:14,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-04 01:33:14,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:33:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:14,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:33:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:14,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102781310] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:33:14,756 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:33:14,756 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 47 [2022-03-04 01:33:14,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845907441] [2022-03-04 01:33:14,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:33:14,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-04 01:33:14,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:33:14,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-04 01:33:14,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=1758, Unknown=0, NotChecked=0, Total=2162 [2022-03-04 01:33:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:14,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:33:14,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.382978723404255) internal successors, (112), 47 states have internal predecessors, (112), 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 01:33:14,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:14,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:14,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:14,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:14,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:33:15,309 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 270 transitions and produced 215 states. [2022-03-04 01:33:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 01:33:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:33:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:33:15,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 01:33:15,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-04 01:33:15,511 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 01:33:15,512 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:33:15,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:33:15,512 INFO L85 PathProgramCache]: Analyzing trace with hash 672122458, now seen corresponding path program 6 times [2022-03-04 01:33:15,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:33:15,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643083645] [2022-03-04 01:33:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:33:15,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:33:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:33:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:33:16,707 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:33:16,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643083645] [2022-03-04 01:33:16,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643083645] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:33:16,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781734655] [2022-03-04 01:33:16,708 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 01:33:16,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:33:16,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:33:16,709 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 01:33:16,738 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 01:33:16,753 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-04 01:33:16,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:33:16,755 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-04 01:33:16,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:34:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:04,837 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 01:34:04,838 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 33 case distinctions, treesize of input 172 treesize of output 436 [2022-03-04 01:34:06,157 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 01:34:06,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 132 treesize of output 1588 [2022-03-04 01:34:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:34:06,560 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 01:34:06,561 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 33 case distinctions, treesize of input 2172 treesize of output 2008 Received shutdown request... [2022-03-04 01:46:56,297 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 01:46:56,299 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 01:46:56,315 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 01:46:56,331 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 01:46:56,344 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:46:56,344 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 01:46:56,500 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 01:46:56,500 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 0ms.. [2022-03-04 01:46:56,502 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 01:46:56,502 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 01:46:56,502 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 01:46:56,506 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 01:46:56,509 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:46:56,509 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:46:56,510 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:46:56 BasicIcfg [2022-03-04 01:46:56,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:46:56,511 INFO L158 Benchmark]: Toolchain (without parser) took 828730.73ms. Allocated memory was 199.2MB in the beginning and 436.2MB in the end (delta: 237.0MB). Free memory was 163.1MB in the beginning and 298.5MB in the end (delta: -135.4MB). Peak memory consumption was 282.8MB. Max. memory is 8.0GB. [2022-03-04 01:46:56,511 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:46:56,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.56ms. Allocated memory is still 199.2MB. Free memory was 163.1MB in the beginning and 161.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:46:56,511 INFO L158 Benchmark]: Boogie Preprocessor took 17.46ms. Allocated memory is still 199.2MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:46:56,512 INFO L158 Benchmark]: RCFGBuilder took 197.61ms. Allocated memory is still 199.2MB. Free memory was 160.6MB in the beginning and 151.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 01:46:56,512 INFO L158 Benchmark]: TraceAbstraction took 828483.36ms. Allocated memory was 199.2MB in the beginning and 436.2MB in the end (delta: 237.0MB). Free memory was 150.7MB in the beginning and 298.5MB in the end (delta: -147.8MB). Peak memory consumption was 271.3MB. Max. memory is 8.0GB. [2022-03-04 01:46:56,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.56ms. Allocated memory is still 199.2MB. Free memory was 163.1MB in the beginning and 161.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.46ms. Allocated memory is still 199.2MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 197.61ms. Allocated memory is still 199.2MB. Free memory was 160.6MB in the beginning and 151.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 828483.36ms. Allocated memory was 199.2MB in the beginning and 436.2MB in the end (delta: 237.0MB). Free memory was 150.7MB in the beginning and 298.5MB in the end (delta: -147.8MB). Peak memory consumption was 271.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 0ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 0ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 0ms.. - TimeoutResultAtElement [Line: 61]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 828.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 3340 SizeOfPredicates, 32 NumberOfNonLiveVariables, 530 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 430/780 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