/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/two-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 23:47:24,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 23:47:24,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 23:47:24,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 23:47:24,324 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 23:47:24,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 23:47:24,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 23:47:24,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 23:47:24,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 23:47:24,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 23:47:24,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 23:47:24,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 23:47:24,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 23:47:24,347 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 23:47:24,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 23:47:24,348 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 23:47:24,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 23:47:24,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 23:47:24,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 23:47:24,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 23:47:24,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 23:47:24,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:47:24,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 23:47:24,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 23:47:24,351 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 23:47:24,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 23:47:24,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 23:47:24,351 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 23:47:24,351 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 23:47:24,351 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 23:47:24,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 23:47:24,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 23:47:24,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 23:47:24,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 23:47:24,538 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 23:47:24,540 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 23:47:24,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl [2022-03-01 23:47:24,541 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl' [2022-03-01 23:47:24,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 23:47:24,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 23:47:24,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 23:47:24,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 23:47:24,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 23:47:24,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,593 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 23:47:24,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 23:47:24,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 23:47:24,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 23:47:24,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 23:47:24,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 23:47:24,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 23:47:24,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 23:47:24,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 23:47:24,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/1) ... [2022-03-01 23:47:24,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:47:24,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:47:24,634 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 23:47:24,644 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 23:47:24,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-01 23:47:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 23:47:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 23:47:24,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-01 23:47:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 23:47:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 23:47:24,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 23:47:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 23:47:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 23:47:24,668 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 23:47:24,701 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 23:47:24,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 23:47:24,786 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 23:47:24,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 23:47:24,798 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 23:47:24,799 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:47:24 BoogieIcfgContainer [2022-03-01 23:47:24,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 23:47:24,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 23:47:24,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 23:47:24,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 23:47:24,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:47:24" (1/2) ... [2022-03-01 23:47:24,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d4d6e4 and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 11:47:24, skipping insertion in model container [2022-03-01 23:47:24,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:47:24" (2/2) ... [2022-03-01 23:47:24,804 INFO L111 eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl [2022-03-01 23:47:24,807 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 23:47:24,807 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 23:47:24,807 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 23:47:24,807 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 23:47:24,831 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 23:47:24,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 23:47:24,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:47:24,863 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 23:47:24,914 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 23:47:24,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 23:47:24,940 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 23:47:24,952 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-01 23:47:25,276 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 441 transitions and produced 366 states. [2022-03-01 23:47:25,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:47:25,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:47:25,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1158612125, now seen corresponding path program 1 times [2022-03-01 23:47:25,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:47:25,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559292656] [2022-03-01 23:47:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:47:25,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:47:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:47:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-03-01 23:47:25,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:47:25,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559292656] [2022-03-01 23:47:25,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559292656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 23:47:25,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 23:47:25,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 23:47:25,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983619794] [2022-03-01 23:47:25,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 23:47:25,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 23:47:25,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:47:25,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 23:47:25,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 23:47:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:25,555 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:47:25,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 23:47:25,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:25,712 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 339 transitions and produced 295 states. [2022-03-01 23:47:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:25,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 23:47:25,713 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:47:25,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:47:25,715 INFO L85 PathProgramCache]: Analyzing trace with hash -479472553, now seen corresponding path program 2 times [2022-03-01 23:47:25,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:47:25,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389724566] [2022-03-01 23:47:25,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:47:25,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:47:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:47:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-03-01 23:47:25,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:47:25,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389724566] [2022-03-01 23:47:25,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389724566] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:47:25,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012919265] [2022-03-01 23:47:25,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 23:47:25,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:47:25,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:47:25,916 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 23:47:25,926 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 23:47:26,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 23:47:26,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:47:26,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 23:47:26,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:47:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-03-01 23:47:26,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 23:47:26,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012919265] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 23:47:26,322 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 23:47:26,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-03-01 23:47:26,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097163559] [2022-03-01 23:47:26,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 23:47:26,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 23:47:26,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:47:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 23:47:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 23:47:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:26,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:47:26,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 23:47:26,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:26,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:26,423 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 302 transitions and produced 244 states. [2022-03-01 23:47:26,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:26,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:47:26,447 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 23:47:26,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-01 23:47:26,634 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:47:26,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:47:26,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1602754043, now seen corresponding path program 3 times [2022-03-01 23:47:26,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:47:26,635 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269918739] [2022-03-01 23:47:26,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:47:26,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:47:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:47:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 442 proven. 96 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-03-01 23:47:26,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:47:26,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269918739] [2022-03-01 23:47:26,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269918739] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:47:26,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947598766] [2022-03-01 23:47:26,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 23:47:26,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:47:26,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:47:26,882 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 23:47:26,883 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 23:47:26,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-01 23:47:26,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:47:26,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-01 23:47:27,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:47:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 477 proven. 62 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-03-01 23:47:27,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:47:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 477 proven. 62 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-03-01 23:47:27,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947598766] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:47:27,490 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:47:27,490 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2022-03-01 23:47:27,490 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609476063] [2022-03-01 23:47:27,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:47:27,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 23:47:27,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:47:27,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 23:47:27,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2022-03-01 23:47:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:27,491 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:47:27,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 23:47:27,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:27,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:47:27,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:27,622 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 309 transitions and produced 261 states. [2022-03-01 23:47:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:47:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 23:47:27,659 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 23:47:27,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:47:27,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:47:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:47:27,845 INFO L85 PathProgramCache]: Analyzing trace with hash -539350755, now seen corresponding path program 4 times [2022-03-01 23:47:27,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:47:27,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27794389] [2022-03-01 23:47:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:47:27,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:47:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:47:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 432 proven. 56 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2022-03-01 23:47:27,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:47:27,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27794389] [2022-03-01 23:47:27,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27794389] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:47:27,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646430979] [2022-03-01 23:47:27,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 23:47:27,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:47:27,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:47:27,987 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 23:47:27,988 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 23:47:28,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 23:47:28,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:47:28,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-01 23:47:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:47:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 470 proven. 35 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-03-01 23:47:28,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:47:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 470 proven. 35 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-03-01 23:47:28,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646430979] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:47:28,467 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:47:28,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 8 [2022-03-01 23:47:28,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959640465] [2022-03-01 23:47:28,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:47:28,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 23:47:28,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:47:28,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 23:47:28,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2022-03-01 23:47:28,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:28,469 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:47:28,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 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 23:47:28,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:28,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:47:28,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 23:47:28,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:47:28,551 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 253 transitions and produced 206 states. [2022-03-01 23:47:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:47:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:47:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 23:47:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 23:47:28,571 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 23:47:28,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:47:28,755 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:47:28,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:47:28,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1035792897, now seen corresponding path program 5 times [2022-03-01 23:47:28,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:47:28,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730151575] [2022-03-01 23:47:28,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:47:28,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:47:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:47:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 1 proven. 197 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-03-01 23:47:29,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:47:29,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730151575] [2022-03-01 23:47:29,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730151575] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:47:29,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95387663] [2022-03-01 23:47:29,471 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 23:47:29,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:47:29,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:47:29,473 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 23:47:29,477 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 23:47:29,565 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-01 23:47:29,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:47:29,569 WARN L261 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 158 conjunts are in the unsatisfiable core [2022-03-01 23:47:29,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:47:38,168 INFO L353 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2022-03-01 23:47:38,169 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 273 treesize of output 189 [2022-03-01 23:47:38,625 INFO L353 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2022-03-01 23:47:38,625 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 148 treesize of output 62 [2022-03-01 23:47:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 120 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:47:38,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:47:53,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:53,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:47:54,049 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 23:47:54,050 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 312 treesize of output 988 [2022-03-01 23:49:40,970 INFO L353 Elim1Store]: treesize reduction 1500, result has 44.2 percent of original size [2022-03-01 23:49:40,971 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1211 treesize of output 1837 Received shutdown request... [2022-03-02 00:01:45,082 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 00:01:45,084 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-02 00:01:45,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 00:01:45,109 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 00:01:45,109 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 00:01:45,109 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:01:45,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:01:45,292 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 108ms.. [2022-03-02 00:01:45,293 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 00:01:45,293 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-02 00:01:45,298 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-02 00:01:45,300 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:01:45,300 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:01:45,302 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:01:45 BasicIcfg [2022-03-02 00:01:45,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:01:45,307 INFO L158 Benchmark]: Toolchain (without parser) took 860730.85ms. Allocated memory was 187.7MB in the beginning and 659.6MB in the end (delta: 471.9MB). Free memory was 146.2MB in the beginning and 608.8MB in the end (delta: -462.6MB). Peak memory consumption was 400.9MB. Max. memory is 8.0GB. [2022-03-02 00:01:45,308 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 187.7MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:01:45,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.40ms. Allocated memory is still 187.7MB. Free memory was 146.1MB in the beginning and 144.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:01:45,309 INFO L158 Benchmark]: Boogie Preprocessor took 12.06ms. Allocated memory is still 187.7MB. Free memory was 144.6MB in the beginning and 143.6MB in the end (delta: 960.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:01:45,312 INFO L158 Benchmark]: RCFGBuilder took 190.43ms. Allocated memory is still 187.7MB. Free memory was 143.6MB in the beginning and 134.5MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 00:01:45,317 INFO L158 Benchmark]: TraceAbstraction took 860502.21ms. Allocated memory was 187.7MB in the beginning and 659.6MB in the end (delta: 471.9MB). Free memory was 133.9MB in the beginning and 608.8MB in the end (delta: -474.9MB). Peak memory consumption was 389.4MB. Max. memory is 8.0GB. [2022-03-02 00:01:45,319 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 0.26ms. Allocated memory is still 187.7MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.40ms. Allocated memory is still 187.7MB. Free memory was 146.1MB in the beginning and 144.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.06ms. Allocated memory is still 187.7MB. Free memory was 144.6MB in the beginning and 143.6MB in the end (delta: 960.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 190.43ms. Allocated memory is still 187.7MB. Free memory was 143.6MB in the beginning and 134.5MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 860502.21ms. Allocated memory was 187.7MB in the beginning and 659.6MB in the end (delta: 471.9MB). Free memory was 133.9MB in the beginning and 608.8MB in the end (delta: -474.9MB). Peak memory consumption was 389.4MB. 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: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 108ms.. - TimeoutResultAtElement [Line: 57]: 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 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 108ms.. - TimeoutResultAtElement [Line: 57]: 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 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 108ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 860.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1210 ConstructedInterpolants, 0 QuantifiedInterpolants, 3442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1188 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 8880/9228 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