/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-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 02:11:15,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 02:11:15,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 02:11:15,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 02:11:15,854 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-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-08-22 02:11:15,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 02:11:15,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 02:11:15,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 02:11:15,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 02:11:15,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 02:11:15,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 02:11:15,893 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 02:11:15,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 02:11:15,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 02:11:15,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 02:11:15,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 02:11:15,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 02:11:15,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 02:11:15,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 02:11:15,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 02:11:15,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 02:11:15,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 02:11:15,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 02:11:15,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 02:11:15,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 02:11:15,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 02:11:15,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 02:11:15,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 02:11:15,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:11:15,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 02:11:15,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 02:11:15,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 02:11:15,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 02:11:15,897 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 02:11:15,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 02:11:15,898 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 02:11:15,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 02:11:15,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 02:11:15,898 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 02:11:15,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 02:11:16,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 02:11:16,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 02:11:16,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 02:11:16,215 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 02:11:16,217 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 02:11:16,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-08-22 02:11:16,218 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-08-22 02:11:16,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 02:11:16,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 02:11:16,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 02:11:16,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 02:11:16,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 02:11:16,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 02:11:16,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 02:11:16,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 02:11:16,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 02:11:16,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 02:11:16,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 02:11:16,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 02:11:16,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 02:11:16,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/1) ... [2021-08-22 02:11:16,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:11:16,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:11:16,326 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) [2021-08-22 02:11:16,348 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 [2021-08-22 02:11:16,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 02:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 02:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 02:11:16,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 02:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 02:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 02:11:16,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 02:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 02:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 02:11:16,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 02:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 02:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 02:11:16,366 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 02:11:16,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 02:11:16,527 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 02:11:16,529 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:11:16 BoogieIcfgContainer [2021-08-22 02:11:16,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 02:11:16,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 02:11:16,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 02:11:16,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 02:11:16,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:11:16" (1/2) ... [2021-08-22 02:11:16,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218e08b7 and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:11:16, skipping insertion in model container [2021-08-22 02:11:16,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:11:16" (2/2) ... [2021-08-22 02:11:16,535 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-08-22 02:11:16,552 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 02:11:16,552 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 02:11:16,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 02:11:16,553 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 02:11:16,637 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 02:11:16,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 02:11:16,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:11:16,671 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) [2021-08-22 02:11:16,671 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 [2021-08-22 02:11:16,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 02:11:16,710 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-22 02:11:16,710 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 02:11:16,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 02:11:16,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:11:16,845 INFO L82 PathProgramCache]: Analyzing trace with hash -781648118, now seen corresponding path program 1 times [2021-08-22 02:11:16,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:11:16,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465035136] [2021-08-22 02:11:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:11:16,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:11:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:11:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 02:11:17,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:11:17,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465035136] [2021-08-22 02:11:17,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465035136] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:11:17,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734917120] [2021-08-22 02:11:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:11:17,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:11:17,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:11:17,177 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) [2021-08-22 02:11:17,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 02:11:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:11:17,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-22 02:11:17,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 02:11:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 02:11:17,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734917120] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:11:17,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 02:11:17,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-08-22 02:11:17,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128206361] [2021-08-22 02:11:17,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 02:11:17,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:11:17,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 02:11:17,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-22 02:11:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:11:17,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:11:17,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 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) [2021-08-22 02:11:17,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:11:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:11:17,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 02:11:18,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-22 02:11:18,132 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 02:11:18,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:11:18,133 INFO L82 PathProgramCache]: Analyzing trace with hash 236126342, now seen corresponding path program 2 times [2021-08-22 02:11:18,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:11:18,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827695285] [2021-08-22 02:11:18,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:11:18,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:11:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:11:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 02:11:18,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:11:18,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827695285] [2021-08-22 02:11:18,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827695285] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:11:18,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934600741] [2021-08-22 02:11:18,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 02:11:18,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:11:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:11:18,271 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) [2021-08-22 02:11:18,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 02:11:18,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 02:11:18,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 02:11:18,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 02:11:18,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 02:11:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 02:11:18,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934600741] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:11:18,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 02:11:18,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-08-22 02:11:18,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39368394] [2021-08-22 02:11:18,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 02:11:18,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:11:18,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 02:11:18,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-08-22 02:11:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:11:18,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:11:18,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 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) [2021-08-22 02:11:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:11:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:11:19,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:11:19,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 02:11:19,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 02:11:19,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:11:19,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 02:11:19,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:11:19,246 INFO L82 PathProgramCache]: Analyzing trace with hash 906312944, now seen corresponding path program 3 times [2021-08-22 02:11:19,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:11:19,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000222748] [2021-08-22 02:11:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:11:19,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:11:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:11:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 02:11:20,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:11:20,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000222748] [2021-08-22 02:11:20,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000222748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:11:20,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787003423] [2021-08-22 02:11:20,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 02:11:20,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:11:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:11:20,286 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) [2021-08-22 02:11:20,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 02:11:20,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-22 02:11:20,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 02:11:20,398 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-08-22 02:11:20,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 02:12:36,806 INFO L354 Elim1Store]: treesize reduction 103, result has 55.0 percent of original size [2021-08-22 02:12:36,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 1154 treesize of output 721 [2021-08-22 02:15:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 02:15:43,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787003423] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:15:43,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 02:15:43,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 34 [2021-08-22 02:15:43,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058432823] [2021-08-22 02:15:43,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-08-22 02:15:43,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:15:43,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-08-22 02:15:43,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2021-08-22 02:15:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:15:43,501 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:15:43,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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) [2021-08-22 02:15:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:15:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 02:15:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:15:50,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:15:50,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-22 02:15:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-08-22 02:15:50,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 02:15:50,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:15:50,973 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 02:15:50,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:15:50,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1778841814, now seen corresponding path program 4 times [2021-08-22 02:15:50,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:15:50,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696816591] [2021-08-22 02:15:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:15:50,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:15:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:15:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 02:15:51,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:15:51,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696816591] [2021-08-22 02:15:51,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696816591] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:15:51,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165163632] [2021-08-22 02:15:51,176 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 02:15:51,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:15:51,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:15:51,177 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) [2021-08-22 02:15:51,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 02:15:51,699 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 02:15:51,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 02:15:51,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 02:15:51,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 02:15:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 36 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 02:15:52,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165163632] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:15:52,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 02:15:52,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 25 [2021-08-22 02:15:52,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811890588] [2021-08-22 02:15:52,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-22 02:15:52,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:15:52,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-22 02:15:52,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2021-08-22 02:15:52,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:15:52,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:15:52,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.12) internal successors, (78), 25 states have internal predecessors, (78), 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) [2021-08-22 02:15:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:15:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-22 02:15:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-08-22 02:15:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:15:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 02:15:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-22 02:15:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-08-22 02:15:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 02:15:52,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 02:15:52,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:15:52,916 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 02:15:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:15:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash 927878460, now seen corresponding path program 5 times [2021-08-22 02:15:52,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:15:52,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893040925] [2021-08-22 02:15:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:15:52,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:15:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-22 02:25:26,091 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:25:26,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 02:25:26,092 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-2-2-2-2-2-2-13-5-16-10-16-10-16-10-16-10-16-10-16-10-14-10-10-10-9-10-9-9-9-9-9-9-9-9-9-9-9-9-9-9-7-5-7-5-7-5-5-5-5-5-4-5-3-5-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2021-08-22 02:25:26,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 02:25:26,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 02:25:26,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 02:25:26,100 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 02:25:26,100 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 02:25:26,102 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:25:26 BasicIcfg [2021-08-22 02:25:26,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 02:25:26,102 INFO L168 Benchmark]: Toolchain (without parser) took 849862.35 ms. Allocated memory was 183.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 164.2 MB in the beginning and 727.4 MB in the end (delta: -563.3 MB). Peak memory consumption was 840.9 MB. Max. memory is 8.0 GB. [2021-08-22 02:25:26,103 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 183.5 MB. Free memory is still 165.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:25:26,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.39 ms. Allocated memory is still 183.5 MB. Free memory was 164.0 MB in the beginning and 162.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:25:26,103 INFO L168 Benchmark]: Boogie Preprocessor took 24.10 ms. Allocated memory is still 183.5 MB. Free memory was 162.5 MB in the beginning and 161.7 MB in the end (delta: 878.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:25:26,104 INFO L168 Benchmark]: RCFGBuilder took 241.89 ms. Allocated memory is still 183.5 MB. Free memory was 161.5 MB in the beginning and 148.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-22 02:25:26,104 INFO L168 Benchmark]: TraceAbstraction took 849571.02 ms. Allocated memory was 183.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 147.9 MB in the beginning and 727.4 MB in the end (delta: -579.5 MB). Peak memory consumption was 824.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:25:26,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-08-22 02:25:26,109 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 [2021-08-22 02:25:26,110 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 183.5 MB. Free memory is still 165.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.39 ms. Allocated memory is still 183.5 MB. Free memory was 164.0 MB in the beginning and 162.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.10 ms. Allocated memory is still 183.5 MB. Free memory was 162.5 MB in the beginning and 161.7 MB in the end (delta: 878.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 241.89 ms. Allocated memory is still 183.5 MB. Free memory was 161.5 MB in the beginning and 148.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 849571.02 ms. Allocated memory was 183.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 147.9 MB in the beginning and 727.4 MB in the end (delta: -579.5 MB). Peak memory consumption was 824.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1770, positive: 1521, positive conditional: 1521, positive unconditional: 0, negative: 249, negative conditional: 249, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1521, positive: 1521, positive conditional: 1521, 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: 1521, positive: 1521, positive conditional: 1521, 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: 1521, positive: 1521, positive conditional: 1088, positive unconditional: 433, 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: 1521, positive: 1521, positive conditional: 1068, positive unconditional: 453, 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: 1521, positive: 1521, positive conditional: 1068, positive unconditional: 453, 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: 130, positive: 130, positive conditional: 32, positive unconditional: 98, 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: 130, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 87, positive conditional: 36, positive unconditional: 51, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1521, positive: 1391, positive conditional: 1036, positive unconditional: 355, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 130, unknown conditional: 32, unknown unconditional: 98] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 32, Positive unconditional cache size: 98, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 0, Independence queries for same thread: 249 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-2-2-2-2-2-2-13-5-16-10-16-10-16-10-16-10-16-10-16-10-14-10-10-10-9-10-9-9-9-9-9-9-9-9-9-9-9-9-9-9-7-5-7-5-7-5-5-5-5-5-4-5-3-5-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-2-2-2-2-2-2-13-5-16-10-16-10-16-10-16-10-16-10-16-10-14-10-10-10-9-10-9-9-9-9-9-9-9-9-9-9-9-9-9-9-7-5-7-5-7-5-5-5-5-5-4-5-3-5-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-2-2-2-2-2-2-13-5-16-10-16-10-16-10-16-10-16-10-16-10-14-10-10-10-9-10-9-9-9-9-9-9-9-9-9-9-9-9-9-9-7-5-7-5-7-5-5-5-5-5-4-5-3-5-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-2-2-2-2-2-2-13-5-16-10-16-10-16-10-16-10-16-10-16-10-14-10-10-10-9-10-9-9-9-9-9-9-9-9-9-9-9-9-9-9-7-5-7-5-7-5-5-5-5-5-4-5-3-5-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 849431.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.6ms, PartialOrderReductionTime: 8807.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.6ms SsaConstructionTime, 301.0ms SatisfiabilityAnalysisTime, 265396.4ms InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 292 ConstructedInterpolants, 10 QuantifiedInterpolants, 11370 SizeOfPredicates, 17 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 8 InterpolantComputations, 0 PerfectInterpolantSequences, 105/322 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