/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-4b0ab11 [2022-03-01 23:51:03,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 23:51:03,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 23:51:03,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 23:51:03,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 23:51:03,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 23:51:03,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 23:51:03,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 23:51:03,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 23:51:03,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 23:51:03,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 23:51:03,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 23:51:03,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 23:51:03,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 23:51:03,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 23:51:03,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 23:51:03,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 23:51:03,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 23:51:03,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 23:51:03,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 23:51:03,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 23:51:03,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 23:51:03,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 23:51:03,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 23:51:03,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 23:51:03,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 23:51:03,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 23:51:03,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 23:51:03,349 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 [2022-03-01 23:51:03,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 23:51:03,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 23:51:03,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 23:51:03,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 23:51:03,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 23:51:03,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 23:51:03,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 23:51:03,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 23:51:03,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 23:51:03,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 23:51:03,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 23:51:03,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 23:51:03,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 23:51:03,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 23:51:03,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 23:51:03,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 23:51:03,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 23:51:03,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 23:51:03,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 23:51:03,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:51:03,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 23:51:03,367 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 23:51:03,368 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 23:51:03,368 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 23:51:03,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 23:51:03,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 23:51:03,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 23:51:03,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 23:51:03,534 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 23:51:03,539 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 23:51:03,540 INFO L432 ainManager$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 [2022-03-01 23:51:03,540 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' [2022-03-01 23:51:03,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 23:51:03,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 23:51:03,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 23:51:03,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 23:51:03,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 23:51:03,573 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,578 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,585 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 23:51:03,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 23:51:03,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 23:51:03,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 23:51:03,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 23:51:03,592 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,592 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,593 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,593 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,594 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,596 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,596 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 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 23:51:03,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 23:51:03,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 23:51:03,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 23:51:03,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:51:03" (1/1) ... [2022-03-01 23:51:03,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:51:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:03,621 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) [2022-03-01 23:51:03,624 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 [2022-03-01 23:51:03,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-01 23:51:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 23:51:03,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 23:51:03,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-01 23:51:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 23:51:03,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 23:51:03,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 23:51:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 23:51:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 23:51:03,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-01 23:51:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 23:51:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 23:51:03,645 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 23:51:03,679 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 23:51:03,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 23:51:03,788 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 23:51:03,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 23:51:03,793 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 23:51:03,794 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:51:03 BoogieIcfgContainer [2022-03-01 23:51:03,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 23:51:03,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 23:51:03,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 23:51:03,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 23:51:03,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:51:03" (1/2) ... [2022-03-01 23:51:03,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df8e90e and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 11:51:03, skipping insertion in model container [2022-03-01 23:51:03,798 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 01.03 11:51:03" (2/2) ... [2022-03-01 23:51:03,799 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2022-03-01 23:51:03,802 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 23:51:03,802 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 23:51:03,802 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 23:51:03,802 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 23:51:03,827 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-01 23:51:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 23:51:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:03,858 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) [2022-03-01 23:51:03,880 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 [2022-03-01 23:51:03,889 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 23:51:03,899 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 [2022-03-01 23:51:03,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 23:51:05,437 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12063 transitions and produced 4217 states. [2022-03-01 23:51:05,439 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:05,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1598486337, now seen corresponding path program 1 times [2022-03-01 23:51:05,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:05,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433099959] [2022-03-01 23:51:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:06,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:06,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433099959] [2022-03-01 23:51:06,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433099959] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:06,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595915154] [2022-03-01 23:51:06,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:06,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:06,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:06,174 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) [2022-03-01 23:51:06,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 23:51:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:06,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-01 23:51:06,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 89 proven. 12 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-03-01 23:51:06,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:51:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 89 proven. 12 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-03-01 23:51:06,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595915154] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:51:06,840 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:51:06,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 10, 10] total 39 [2022-03-01 23:51:06,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364050988] [2022-03-01 23:51:06,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:51:06,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-01 23:51:06,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:51:06,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-01 23:51:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1220, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 23:51:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:06,870 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:51:06,873 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) [2022-03-01 23:51:06,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:08,319 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12079 transitions and produced 4233 states. [2022-03-01 23:51:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:08,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 23:51:08,536 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 [2022-03-01 23:51:08,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2047927594, now seen corresponding path program 2 times [2022-03-01 23:51:08,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:08,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671429853] [2022-03-01 23:51:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:08,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:08,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671429853] [2022-03-01 23:51:08,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671429853] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:08,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289605487] [2022-03-01 23:51:08,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 23:51:08,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:08,862 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) [2022-03-01 23:51:08,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 23:51:08,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 23:51:08,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:51:08,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-01 23:51:08,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 122 proven. 22 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-01 23:51:09,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:51:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 122 proven. 22 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-01 23:51:09,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289605487] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:51:09,511 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:51:09,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12, 12] total 43 [2022-03-01 23:51:09,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732201260] [2022-03-01 23:51:09,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:51:09,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-01 23:51:09,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:51:09,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-01 23:51:09,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1507, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 23:51:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:09,514 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:51:09,514 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) [2022-03-01 23:51:09,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:09,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:10,981 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12095 transitions and produced 4249 states. [2022-03-01 23:51:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:11,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 23:51:11,199 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 [2022-03-01 23:51:11,200 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:11,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash -355614047, now seen corresponding path program 3 times [2022-03-01 23:51:11,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:11,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180933516] [2022-03-01 23:51:11,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:11,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:11,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180933516] [2022-03-01 23:51:11,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180933516] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:11,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843420143] [2022-03-01 23:51:11,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 23:51:11,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:11,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:11,521 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) [2022-03-01 23:51:11,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 23:51:11,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-01 23:51:11,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:51:11,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-01 23:51:11,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 198 proven. 145 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-01 23:51:12,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:51:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 308 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-01 23:51:12,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843420143] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:51:12,568 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:51:12,569 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 19, 19] total 61 [2022-03-01 23:51:12,569 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045015478] [2022-03-01 23:51:12,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:51:12,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-03-01 23:51:12,569 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:51:12,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-03-01 23:51:12,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=3016, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 23:51:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:12,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:51:12,571 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) [2022-03-01 23:51:12,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:12,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:12,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:13,365 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 660 transitions and produced 489 states. [2022-03-01 23:51:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:13,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 23:51:13,583 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 [2022-03-01 23:51:13,584 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:13,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:13,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1307384054, now seen corresponding path program 4 times [2022-03-01 23:51:13,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:13,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138090541] [2022-03-01 23:51:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 280 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:14,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:14,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138090541] [2022-03-01 23:51:14,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138090541] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:14,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938068577] [2022-03-01 23:51:14,009 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 23:51:14,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:14,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:14,010 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) [2022-03-01 23:51:14,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 23:51:14,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 23:51:14,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:51:14,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-01 23:51:14,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 228 proven. 184 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-01 23:51:14,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:51:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 267 proven. 145 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-01 23:51:15,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938068577] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:51:15,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:51:15,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 25, 25] total 76 [2022-03-01 23:51:15,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141793140] [2022-03-01 23:51:15,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:51:15,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-03-01 23:51:15,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:51:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-03-01 23:51:15,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=985, Invalid=4715, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 23:51:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:15,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:51:15,409 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) [2022-03-01 23:51:15,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:15,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:15,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:15,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:16,208 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 676 transitions and produced 517 states. [2022-03-01 23:51:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 23:51:16,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-01 23:51:16,409 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 [2022-03-01 23:51:16,410 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:16,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1671039807, now seen corresponding path program 5 times [2022-03-01 23:51:16,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:16,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604232308] [2022-03-01 23:51:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:16,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:16,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:16,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604232308] [2022-03-01 23:51:16,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604232308] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:16,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496035854] [2022-03-01 23:51:16,784 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 23:51:16,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:16,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:16,785 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) [2022-03-01 23:51:16,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 23:51:16,838 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-01 23:51:16,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:51:16,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-01 23:51:16,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 224 proven. 234 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-01 23:51:17,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:51:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 282 proven. 176 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-01 23:51:18,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496035854] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:51:18,269 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:51:18,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 27, 27] total 80 [2022-03-01 23:51:18,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779586630] [2022-03-01 23:51:18,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:51:18,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-01 23:51:18,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:51:18,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-01 23:51:18,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1089, Invalid=5231, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 23:51:18,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:18,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:51:18,273 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) [2022-03-01 23:51:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-01 23:51:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:19,047 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 692 transitions and produced 533 states. [2022-03-01 23:51:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 23:51:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 23:51:19,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-01 23:51:19,249 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 [2022-03-01 23:51:19,249 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:19,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:19,249 INFO L85 PathProgramCache]: Analyzing trace with hash 862910378, now seen corresponding path program 6 times [2022-03-01 23:51:19,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:19,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768552082] [2022-03-01 23:51:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:19,620 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:19,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768552082] [2022-03-01 23:51:19,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768552082] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:19,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510560120] [2022-03-01 23:51:19,620 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 23:51:19,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:19,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:19,621 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) [2022-03-01 23:51:19,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 23:51:19,675 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-01 23:51:19,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:51:19,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-01 23:51:19,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:20,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:51:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 338 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:21,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510560120] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:51:21,890 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:51:21,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 101 [2022-03-01 23:51:21,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565755518] [2022-03-01 23:51:21,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:51:21,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-03-01 23:51:21,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:51:21,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-03-01 23:51:21,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2025, Invalid=8075, Unknown=0, NotChecked=0, Total=10100 [2022-03-01 23:51:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:21,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:51:21,895 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) [2022-03-01 23:51:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-01 23:51:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-03-01 23:51:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:51:23,353 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 820 transitions and produced 640 states. [2022-03-01 23:51:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 23:51:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 23:51:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 23:51:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 23:51:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 23:51:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-01 23:51:23,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 23:51:23,554 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 [2022-03-01 23:51:23,554 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:51:23,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:51:23,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1336047062, now seen corresponding path program 7 times [2022-03-01 23:51:23,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:51:23,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226607383] [2022-03-01 23:51:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:51:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:51:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:51:35,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:51:35,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226607383] [2022-03-01 23:51:35,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226607383] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:51:35,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113778576] [2022-03-01 23:51:35,448 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 23:51:35,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:51:35,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:51:35,449 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) [2022-03-01 23:51:35,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 23:51:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:51:35,504 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-03-01 23:51:35,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:51:54,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:51:54,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:51:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:51:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:51:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:51:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:51:54,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:51:54,403 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 [2022-03-01 23:52:07,635 WARN L228 SmtUtils]: Spent 13.20s 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) [2022-03-01 23:52:07,643 INFO L353 Elim1Store]: treesize reduction 2278, result has 58.0 percent of original size [2022-03-01 23:52:07,644 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 [2022-03-01 23:52:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:52:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:52:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:52:07,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:52:07,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:52:07,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:52:07,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:52:07,861 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... [2022-03-02 00:05:09,595 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-03-02 00:05:09,598 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:05:09,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-02 00:05:09,622 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:05:09,622 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:05:09,622 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:05:09,801 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 [2022-03-02 00:05:09,801 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ∧-2-1 context. [2022-03-02 00:05:09,803 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:05:09,803 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:05:09,803 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:05:09,809 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-02 00:05:09,812 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:05:09,812 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:05:09,814 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:05:09 BasicIcfg [2022-03-02 00:05:09,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:05:09,814 INFO L158 Benchmark]: Toolchain (without parser) took 846255.38ms. Allocated memory was 194.0MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 158.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 00:05:09,814 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:05:09,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.91ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 156.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 00:05:09,815 INFO L158 Benchmark]: Boogie Preprocessor took 10.09ms. Allocated memory is still 194.0MB. Free memory was 156.8MB in the beginning and 155.8MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:05:09,815 INFO L158 Benchmark]: RCFGBuilder took 196.71ms. Allocated memory is still 194.0MB. Free memory was 155.7MB in the beginning and 146.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-02 00:05:09,815 INFO L158 Benchmark]: TraceAbstraction took 846018.25ms. Allocated memory was 194.0MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 146.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 00:05:09,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.91ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 156.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.09ms. Allocated memory is still 194.0MB. Free memory was 156.8MB in the beginning and 155.8MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 196.71ms. Allocated memory is still 194.0MB. Free memory was 155.7MB in the beginning and 146.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 846018.25ms. Allocated memory was 194.0MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 146.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 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 PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ∧-2-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ∧-2-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ∧-2-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ∧-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 846.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.3s, 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, 9.5s 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