/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-bad/dot-product-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:47:30,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:47:30,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:47:30,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:47:30,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:47:30,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:47:30,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:47:30,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:47:30,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:47:30,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:47:30,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:47:30,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:47:30,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:47:30,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:47:30,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:47:30,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:47:30,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:47:30,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:47:30,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:47:30,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:47:30,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:47:30,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:47:30,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:47:30,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:47:30,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:47:30,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:47:30,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:47:30,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:47:30,121 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 [2022-03-16 06:47:30,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:47:30,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:47:30,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:47:30,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:47:30,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:47:30,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:47:30,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:47:30,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:47:30,147 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:47:30,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:47:30,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:47:30,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:47:30,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:47:30,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:47:30,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:47:30,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:47:30,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:47:30,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:47:30,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:47:30,151 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:47:30,151 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:47:30,151 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:47:30,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:47:30,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:47:30,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:47:30,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:47:30,325 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:47:30,331 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:47:30,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl [2022-03-16 06:47:30,333 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl' [2022-03-16 06:47:30,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:47:30,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:47:30,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:47:30,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:47:30,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:47:30,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,387 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:47:30,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:47:30,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:47:30,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:47:30,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:47:30,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:47:30,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:47:30,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:47:30,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:47:30,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/1) ... [2022-03-16 06:47:30,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:47:30,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:30,439 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) [2022-03-16 06:47:30,456 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 [2022-03-16 06:47:30,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:47:30,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:47:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:47:30,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:47:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:47:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:47:30,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:47:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:47:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:47:30,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:47:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:47:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:47:30,470 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:47:30,511 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:47:30,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:47:30,574 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:47:30,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:47:30,579 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:47:30,580 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:47:30 BoogieIcfgContainer [2022-03-16 06:47:30,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:47:30,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:47:30,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:47:30,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:47:30,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:47:30" (1/2) ... [2022-03-16 06:47:30,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c484d7 and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:47:30, skipping insertion in model container [2022-03-16 06:47:30,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:47:30" (2/2) ... [2022-03-16 06:47:30,588 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2022-03-16 06:47:30,592 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:47:30,592 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:47:30,592 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:47:30,592 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:47:30,620 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:47:30,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:47:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:30,652 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) [2022-03-16 06:47:30,653 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 [2022-03-16 06:47:30,693 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:47:30,698 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 [2022-03-16 06:47:30,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:47:32,307 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13052 transitions and produced 4554 states. [2022-03-16 06:47:32,309 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:32,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1598486337, now seen corresponding path program 1 times [2022-03-16 06:47:32,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:32,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142175464] [2022-03-16 06:47:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:33,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:47:33,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142175464] [2022-03-16 06:47:33,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142175464] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:47:33,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614617372] [2022-03-16 06:47:33,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:33,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:33,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:33,060 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) [2022-03-16 06:47:33,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:47:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:33,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 06:47:33,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:47:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 89 proven. 12 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-03-16 06:47:33,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:47:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 89 proven. 12 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-03-16 06:47:33,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614617372] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:47:33,826 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:47:33,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 10, 10] total 39 [2022-03-16 06:47:33,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145428095] [2022-03-16 06:47:33,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:47:33,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-16 06:47:33,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:47:33,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-16 06:47:33,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1220, Unknown=0, NotChecked=0, Total=1482 [2022-03-16 06:47:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:33,866 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:47:33,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.3846153846153846) internal successors, (132), 39 states have internal predecessors, (132), 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) [2022-03-16 06:47:33,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:35,614 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13068 transitions and produced 4570 states. [2022-03-16 06:47:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:35,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:47:35,825 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 [2022-03-16 06:47:35,826 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:35,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2047927594, now seen corresponding path program 2 times [2022-03-16 06:47:35,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:35,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666947562] [2022-03-16 06:47:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:36,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:47:36,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666947562] [2022-03-16 06:47:36,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666947562] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:47:36,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863785235] [2022-03-16 06:47:36,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:47:36,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:36,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:36,212 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) [2022-03-16 06:47:36,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:47:36,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:47:36,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:47:36,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-16 06:47:36,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:47:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 122 proven. 22 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 06:47:36,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:47:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 122 proven. 22 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 06:47:36,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863785235] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:47:36,902 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:47:36,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12, 12] total 43 [2022-03-16 06:47:36,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323836362] [2022-03-16 06:47:36,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:47:36,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-16 06:47:36,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:47:36,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-16 06:47:36,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1507, Unknown=0, NotChecked=0, Total=1806 [2022-03-16 06:47:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:36,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:47:36,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.3488372093023258) internal successors, (144), 43 states have internal predecessors, (144), 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) [2022-03-16 06:47:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:36,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:38,436 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13084 transitions and produced 4586 states. [2022-03-16 06:47:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:38,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 06:47:38,647 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 [2022-03-16 06:47:38,648 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:38,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash -355614047, now seen corresponding path program 3 times [2022-03-16 06:47:38,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:38,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368013252] [2022-03-16 06:47:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:38,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:47:38,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368013252] [2022-03-16 06:47:38,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368013252] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:47:38,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264326599] [2022-03-16 06:47:38,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:47:38,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:38,990 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) [2022-03-16 06:47:38,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:47:39,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-16 06:47:39,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:47:39,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 06:47:39,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:47:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 198 proven. 145 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-16 06:47:39,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:47:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 308 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-16 06:47:40,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264326599] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:47:40,065 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:47:40,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 19, 19] total 61 [2022-03-16 06:47:40,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114370259] [2022-03-16 06:47:40,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:47:40,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-03-16 06:47:40,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:47:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-03-16 06:47:40,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=3016, Unknown=0, NotChecked=0, Total=3660 [2022-03-16 06:47:40,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:40,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:47:40,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.5081967213114753) internal successors, (214), 61 states have internal predecessors, (214), 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) [2022-03-16 06:47:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:40,840 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 657 transitions and produced 488 states. [2022-03-16 06:47:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:40,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 06:47:41,057 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 [2022-03-16 06:47:41,058 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:41,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1307384054, now seen corresponding path program 4 times [2022-03-16 06:47:41,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:41,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355872140] [2022-03-16 06:47:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:41,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 280 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:41,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:47:41,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355872140] [2022-03-16 06:47:41,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355872140] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:47:41,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840948065] [2022-03-16 06:47:41,467 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:47:41,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:41,468 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) [2022-03-16 06:47:41,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 06:47:41,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:47:41,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:47:41,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-16 06:47:41,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:47:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 228 proven. 184 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-16 06:47:42,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:47:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 267 proven. 145 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-16 06:47:43,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840948065] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:47:43,006 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:47:43,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 25, 25] total 76 [2022-03-16 06:47:43,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487329833] [2022-03-16 06:47:43,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:47:43,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-03-16 06:47:43,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:47:43,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-03-16 06:47:43,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=985, Invalid=4715, Unknown=0, NotChecked=0, Total=5700 [2022-03-16 06:47:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:43,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:47:43,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.1578947368421053) internal successors, (240), 76 states have internal predecessors, (240), 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) [2022-03-16 06:47:43,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:43,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:43,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:43,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:43,896 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 673 transitions and produced 516 states. [2022-03-16 06:47:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:47:43,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 06:47:44,098 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 [2022-03-16 06:47:44,098 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:44,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1671039807, now seen corresponding path program 5 times [2022-03-16 06:47:44,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:44,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263550526] [2022-03-16 06:47:44,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:44,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:44,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:47:44,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263550526] [2022-03-16 06:47:44,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263550526] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:47:44,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802956862] [2022-03-16 06:47:44,507 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 06:47:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:44,508 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) [2022-03-16 06:47:44,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 06:47:44,561 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-16 06:47:44,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:47:44,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-16 06:47:44,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:47:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 224 proven. 234 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-16 06:47:45,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:47:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 282 proven. 176 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-16 06:47:46,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802956862] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:47:46,132 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:47:46,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 27, 27] total 80 [2022-03-16 06:47:46,133 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56133827] [2022-03-16 06:47:46,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:47:46,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-16 06:47:46,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:47:46,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-16 06:47:46,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1089, Invalid=5231, Unknown=0, NotChecked=0, Total=6320 [2022-03-16 06:47:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:46,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:47:46,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.15) internal successors, (252), 80 states have internal predecessors, (252), 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) [2022-03-16 06:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:47,028 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 689 transitions and produced 532 states. [2022-03-16 06:47:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:47:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-16 06:47:47,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-16 06:47:47,231 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 [2022-03-16 06:47:47,231 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:47,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:47,232 INFO L85 PathProgramCache]: Analyzing trace with hash 862910378, now seen corresponding path program 6 times [2022-03-16 06:47:47,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:47,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55593713] [2022-03-16 06:47:47,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:47,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:47:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:47,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:47:47,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55593713] [2022-03-16 06:47:47,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55593713] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:47:47,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667034281] [2022-03-16 06:47:47,644 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 06:47:47,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:47:47,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:47:47,645 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) [2022-03-16 06:47:47,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 06:47:47,707 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-16 06:47:47,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:47:47,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-16 06:47:47,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:47:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:48,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:47:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 338 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:47:50,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667034281] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:47:50,086 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:47:50,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 101 [2022-03-16 06:47:50,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405130080] [2022-03-16 06:47:50,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:47:50,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-03-16 06:47:50,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:47:50,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-03-16 06:47:50,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2025, Invalid=8075, Unknown=0, NotChecked=0, Total=10100 [2022-03-16 06:47:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:50,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:47:50,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.0792079207920793) internal successors, (311), 101 states have internal predecessors, (311), 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) [2022-03-16 06:47:50,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:50,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:50,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:50,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:47:50,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-03-16 06:47:50,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:47:51,769 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 817 transitions and produced 639 states. [2022-03-16 06:47:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 06:47:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 06:47:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-16 06:47:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:47:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-16 06:47:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-16 06:47:51,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 06:47:51,973 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 [2022-03-16 06:47:51,973 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:47:51,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:47:51,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1336047062, now seen corresponding path program 7 times [2022-03-16 06:47:51,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:47:51,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585202518] [2022-03-16 06:47:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:47:51,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:47:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:48:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:48:04,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:48:04,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585202518] [2022-03-16 06:48:04,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585202518] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:48:04,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734656991] [2022-03-16 06:48:04,319 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 06:48:04,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:48:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:04,321 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) [2022-03-16 06:48:04,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 06:48:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:48:04,382 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-03-16 06:48:04,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:48:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:24,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:24,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:24,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 190 disjoint index pairs (out of 325 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 387 treesize of output 297 [2022-03-16 06:48:38,051 WARN L228 SmtUtils]: Spent 13.92s on a formula simplification. DAG size of input: 1785 DAG size of output: 1251 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 06:48:38,062 INFO L353 Elim1Store]: treesize reduction 2278, result has 58.0 percent of original size [2022-03-16 06:48:38,062 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 297 treesize of output 3195 [2022-03-16 06:48:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:38,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:38,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:38,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:38,287 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 190 disjoint index pairs (out of 325 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 4308 treesize of output 3458 Received shutdown request... [2022-03-16 07:01:41,388 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 07:01:41,390 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:01:41,398 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 [2022-03-16 07:01:41,398 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 [2022-03-16 07:01:41,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 07:01:41,410 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 [2022-03-16 07:01:41,590 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 [2022-03-16 07:01:41,591 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 82ms.. [2022-03-16 07:01:41,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:01:41,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:01:41,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:01:41,596 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-16 07:01:41,598 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:01:41,598 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:01:41,599 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:01:41 BasicIcfg [2022-03-16 07:01:41,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:01:41,600 INFO L158 Benchmark]: Toolchain (without parser) took 851242.30ms. Allocated memory was 191.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 156.5MB in the beginning and 923.2MB in the end (delta: -766.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-16 07:01:41,600 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:01:41,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.99ms. Allocated memory is still 191.9MB. Free memory was 156.5MB in the beginning and 155.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:01:41,600 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 191.9MB. Free memory was 155.0MB in the beginning and 153.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:01:41,600 INFO L158 Benchmark]: RCFGBuilder took 170.52ms. Allocated memory is still 191.9MB. Free memory was 153.9MB in the beginning and 145.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 07:01:41,600 INFO L158 Benchmark]: TraceAbstraction took 851017.69ms. Allocated memory was 191.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 144.5MB in the beginning and 923.2MB in the end (delta: -778.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-16 07:01:41,601 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 0.13ms. Allocated memory is still 191.9MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.99ms. Allocated memory is still 191.9MB. Free memory was 156.5MB in the beginning and 155.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 191.9MB. Free memory was 155.0MB in the beginning and 153.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 170.52ms. Allocated memory is still 191.9MB. Free memory was 153.9MB in the beginning and 145.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 851017.69ms. Allocated memory was 191.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 144.5MB in the beginning and 923.2MB in the end (delta: -778.7MB). Peak memory consumption was 1.8GB. 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: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 82ms.. - TimeoutResultAtElement [Line: 54]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 82ms.. - TimeoutResultAtElement [Line: 54]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 82ms.. - TimeoutResultAtElement [Line: 55]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 82ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 850.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 277, 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, 10.2s InterpolantComputationTime, 1206 NumberOfCodeBlocks, 1200 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1791 ConstructedInterpolants, 0 QuantifiedInterpolants, 11035 SizeOfPredicates, 40 NumberOfNonLiveVariables, 1091 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 5471/7884 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