/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 04:37:11,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 04:37:11,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 04:37:11,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 04:37:11,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 04:37:11,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 04:37:11,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 04:37:11,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 04:37:11,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 04:37:11,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 04:37:11,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 04:37:11,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 04:37:11,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 04:37:11,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 04:37:11,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 04:37:11,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 04:37:11,417 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 04:37:11,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 04:37:11,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 04:37:11,419 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 04:37:11,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 04:37:11,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 04:37:11,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 04:37:11,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 04:37:11,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 04:37:11,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:37:11,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 04:37:11,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 04:37:11,421 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 04:37:11,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 04:37:11,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 04:37:11,421 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 04:37:11,421 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 04:37:11,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 04:37:11,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 04:37:11,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 04:37:11,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 04:37:11,640 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 04:37:11,641 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 04:37:11,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-03-02 04:37:11,642 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-03-02 04:37:11,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 04:37:11,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 04:37:11,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 04:37:11,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 04:37:11,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 04:37:11,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,706 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 04:37:11,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 04:37:11,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 04:37:11,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 04:37:11,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 04:37:11,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 04:37:11,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 04:37:11,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 04:37:11,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 04:37:11,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/1) ... [2022-03-02 04:37:11,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:37:11,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:11,773 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) [2022-03-02 04:37:11,797 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 [2022-03-02 04:37:11,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 04:37:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 04:37:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 04:37:11,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 04:37:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 04:37:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 04:37:11,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 04:37:11,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 04:37:11,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 04:37:11,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 04:37:11,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 04:37:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 04:37:11,821 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 04:37:11,875 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 04:37:11,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 04:37:12,049 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 04:37:12,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 04:37:12,071 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 04:37:12,073 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:37:12 BoogieIcfgContainer [2022-03-02 04:37:12,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 04:37:12,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 04:37:12,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 04:37:12,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 04:37:12,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:37:11" (1/2) ... [2022-03-02 04:37:12,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c25ab24 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 04:37:12, skipping insertion in model container [2022-03-02 04:37:12,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:37:12" (2/2) ... [2022-03-02 04:37:12,096 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-03-02 04:37:12,100 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 04:37:12,100 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 04:37:12,100 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 04:37:12,101 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 04:37:12,164 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 04:37:12,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 04:37:12,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:12,239 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) [2022-03-02 04:37:12,243 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 [2022-03-02 04:37:12,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 04:37:12,278 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 04:37:12,278 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 04:37:16,411 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408233 transitions and produced 135331 states. [2022-03-02 04:37:16,413 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:37:16,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:37:16,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1654894987, now seen corresponding path program 1 times [2022-03-02 04:37:16,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:37:16,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640630220] [2022-03-02 04:37:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:37:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:37:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6802 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6705 trivial. 0 not checked. [2022-03-02 04:37:16,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:16,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640630220] [2022-03-02 04:37:16,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640630220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:37:16,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 04:37:16,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 04:37:16,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870159894] [2022-03-02 04:37:16,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:37:16,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 04:37:16,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:37:16,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 04:37:16,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 04:37:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:16,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:37:16,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2022-03-02 04:37:16,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:17,234 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9651 transitions and produced 3611 states. [2022-03-02 04:37:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:17,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 04:37:17,235 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:37:17,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:37:17,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1707084956, now seen corresponding path program 2 times [2022-03-02 04:37:17,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:37:17,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886982622] [2022-03-02 04:37:17,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:37:17,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:37:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6047 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-03-02 04:37:17,987 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:17,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886982622] [2022-03-02 04:37:17,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886982622] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:37:17,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 04:37:17,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-02 04:37:17,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454071239] [2022-03-02 04:37:17,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:37:17,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-02 04:37:17,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:37:17,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-02 04:37:17,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-02 04:37:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:17,993 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:37:17,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-03-02 04:37:17,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:17,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:18,958 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73371 transitions and produced 24716 states. [2022-03-02 04:37:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:18,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 04:37:18,980 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:37:18,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:37:18,981 INFO L85 PathProgramCache]: Analyzing trace with hash -198773002, now seen corresponding path program 3 times [2022-03-02 04:37:18,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:37:18,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023845759] [2022-03-02 04:37:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:37:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:37:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-03-02 04:37:19,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:19,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023845759] [2022-03-02 04:37:19,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023845759] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:37:19,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56430787] [2022-03-02 04:37:19,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:37:19,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:19,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:19,352 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) [2022-03-02 04:37:19,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 04:37:19,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-02 04:37:19,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:37:19,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-02 04:37:19,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:37:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 4845 trivial. 0 not checked. [2022-03-02 04:37:20,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-02 04:37:20,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56430787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:37:20,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-02 04:37:20,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-03-02 04:37:20,325 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478771904] [2022-03-02 04:37:20,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:37:20,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-02 04:37:20,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:37:20,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-02 04:37:20,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-02 04:37:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:20,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:37:20,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-03-02 04:37:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:20,372 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1187 transitions and produced 726 states. [2022-03-02 04:37:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:20,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:20,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 04:37:20,595 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,SelfDestructingSolverStorable2 [2022-03-02 04:37:20,596 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:37:20,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:37:20,596 INFO L85 PathProgramCache]: Analyzing trace with hash -633261751, now seen corresponding path program 4 times [2022-03-02 04:37:20,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:37:20,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700227507] [2022-03-02 04:37:20,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:37:20,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:37:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 811 proven. 74 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-03-02 04:37:20,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:20,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700227507] [2022-03-02 04:37:20,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700227507] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:37:20,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740948706] [2022-03-02 04:37:20,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:37:20,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:20,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:20,952 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) [2022-03-02 04:37:20,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 04:37:21,106 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:37:21,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:37:21,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-02 04:37:21,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:37:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-03-02 04:37:21,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:37:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-03-02 04:37:22,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740948706] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:37:22,276 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:37:22,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 5 [2022-03-02 04:37:22,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293148344] [2022-03-02 04:37:22,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:37:22,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-02 04:37:22,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:37:22,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-02 04:37:22,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-02 04:37:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:22,280 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:37:22,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-03-02 04:37:22,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:22,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:22,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:22,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:22,337 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-03-02 04:37:22,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:22,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:22,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:22,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 04:37:22,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:22,564 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:37:22,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:37:22,564 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-03-02 04:37:22,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:37:22,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305549907] [2022-03-02 04:37:22,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:37:22,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:37:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-03-02 04:37:22,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:22,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305549907] [2022-03-02 04:37:22,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305549907] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:37:22,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981826517] [2022-03-02 04:37:22,864 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:37:22,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:22,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:22,865 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) [2022-03-02 04:37:22,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 04:37:23,109 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-03-02 04:37:23,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:37:23,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-02 04:37:23,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:37:23,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-02 04:37:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-02 04:37:23,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:37:23,696 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-02 04:37:23,697 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2022-03-02 04:37:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-02 04:37:24,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981826517] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:37:24,171 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:37:24,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-03-02 04:37:24,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73313987] [2022-03-02 04:37:24,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:37:24,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-02 04:37:24,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:37:24,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-02 04:37:24,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-02 04:37:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:24,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:37:24,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 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) [2022-03-02 04:37:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:37:24,357 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 989 transitions and produced 626 states. [2022-03-02 04:37:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:37:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:37:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:37:24,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 04:37:24,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:24,573 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:37:24,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:37:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash 570042455, now seen corresponding path program 6 times [2022-03-02 04:37:24,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:37:24,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913540372] [2022-03-02 04:37:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:37:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:37:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:37:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 26 proven. 896 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-03-02 04:37:30,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:37:30,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913540372] [2022-03-02 04:37:30,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913540372] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:37:30,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208558962] [2022-03-02 04:37:30,135 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:37:30,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:37:30,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:37:30,137 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) [2022-03-02 04:37:30,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 04:37:30,305 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-03-02 04:37:30,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:37:30,313 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 341 conjunts are in the unsatisfiable core [2022-03-02 04:37:30,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:39:07,586 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-02 04:39:07,586 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-03-02 04:39:12,616 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-02 04:39:12,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-03-02 04:39:13,553 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-02 04:39:13,558 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 357 treesize of output 145 [2022-03-02 04:39:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1074 proven. 474 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-02 04:39:14,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:41:14,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:41:14,608 INFO L244 Elim1Store]: Index analysis took 186 ms [2022-03-02 04:41:16,138 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:41:16,139 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 462 treesize of output 1478 Received shutdown request... [2022-03-02 04:51:05,574 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 04:51:05,575 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 04:51:05,576 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 04:51:05,576 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 04:51:05,578 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 04:51:05,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 04:51:05,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:51:05,792 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 12ms.. [2022-03-02 04:51:05,793 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 04:51:05,793 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 04:51:05,793 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 04:51:05,800 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 04:51:05,802 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 04:51:05,802 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 04:51:05,804 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 04:51:05 BasicIcfg [2022-03-02 04:51:05,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 04:51:05,804 INFO L158 Benchmark]: Toolchain (without parser) took 834139.23ms. Allocated memory was 187.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 145.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-02 04:51:05,805 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:51:05,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.44ms. Allocated memory is still 187.7MB. Free memory was 145.4MB in the beginning and 143.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 04:51:05,805 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 187.7MB. Free memory was 143.8MB in the beginning and 142.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:51:05,806 INFO L158 Benchmark]: RCFGBuilder took 331.34ms. Allocated memory is still 187.7MB. Free memory was 142.8MB in the beginning and 132.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 04:51:05,806 INFO L158 Benchmark]: TraceAbstraction took 833729.28ms. Allocated memory was 187.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 131.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-02 04:51:05,807 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 0.15ms. Allocated memory is still 187.7MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.44ms. Allocated memory is still 187.7MB. Free memory was 145.4MB in the beginning and 143.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 187.7MB. Free memory was 143.8MB in the beginning and 142.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 331.34ms. Allocated memory is still 187.7MB. Free memory was 142.8MB in the beginning and 132.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 833729.28ms. Allocated memory was 187.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 131.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 12ms.. - TimeoutResultAtElement [Line: 98]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 12ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 12ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 12ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 833.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2641 NumberOfCodeBlocks, 2572 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3145 ConstructedInterpolants, 0 QuantifiedInterpolants, 6891 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 33774/34187 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