/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 18:10:05,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 18:10:05,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 18:10:05,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 18:10:05,257 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 18:10:05,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 18:10:05,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 18:10:05,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 18:10:05,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 18:10:05,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 18:10:05,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 18:10:05,275 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 18:10:05,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 18:10:05,275 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 18:10:05,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 18:10:05,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 18:10:05,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 18:10:05,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 18:10:05,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 18:10:05,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 18:10:05,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 18:10:05,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 18:10:05,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 18:10:05,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 18:10:05,278 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 18:10:05,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 18:10:05,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 18:10:05,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 18:10:05,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 18:10:05,514 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 18:10:05,518 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 18:10:05,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-5.wvr.bpl [2021-08-07 18:10:05,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-5.wvr.bpl' [2021-08-07 18:10:05,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 18:10:05,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 18:10:05,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 18:10:05,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 18:10:05,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 18:10:05,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 18:10:05,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 18:10:05,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 18:10:05,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 18:10:05,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 18:10:05,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 18:10:05,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 18:10:05,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 18:10:05,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/1) ... [2021-08-07 18:10:05,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 18:10:05,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:05,668 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) [2021-08-07 18:10:05,670 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 [2021-08-07 18:10:05,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 18:10:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 18:10:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 18:10:05,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 18:10:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 18:10:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 18:10:05,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 18:10:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 18:10:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 18:10:05,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 18:10:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 18:10:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 18:10:05,719 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 18:10:05,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 18:10:05,946 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 18:10:05,949 INFO L202 PluginConnector]: Adding new model misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:10:05 BoogieIcfgContainer [2021-08-07 18:10:05,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 18:10:05,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 18:10:05,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 18:10:05,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 18:10:05,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:10:05" (1/2) ... [2021-08-07 18:10:05,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3a5ad and model type misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 06:10:05, skipping insertion in model container [2021-08-07 18:10:05,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:10:05" (2/2) ... [2021-08-07 18:10:05,955 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-5.wvr.bpl [2021-08-07 18:10:05,958 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 18:10:05,958 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 18:10:05,958 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 18:10:05,958 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 18:10:06,019 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-07 18:10:06,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 18:10:06,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:06,107 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) [2021-08-07 18:10:06,152 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 [2021-08-07 18:10:06,167 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 18:10:06,172 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 [2021-08-07 18:10:06,172 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 18:10:06,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:06,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:06,276 INFO L82 PathProgramCache]: Analyzing trace with hash 232287390, now seen corresponding path program 1 times [2021-08-07 18:10:06,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:06,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632162948] [2021-08-07 18:10:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:06,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:06,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:06,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632162948] [2021-08-07 18:10:06,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632162948] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:06,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243749980] [2021-08-07 18:10:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:06,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:06,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:06,461 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) [2021-08-07 18:10:06,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 18:10:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:06,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-07 18:10:06,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:06,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243749980] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:06,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:06,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-08-07 18:10:06,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989982523] [2021-08-07 18:10:06,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 18:10:06,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:06,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 18:10:06,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-07 18:10:06,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:06,742 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:06,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-08-07 18:10:06,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:06,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 18:10:07,046 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 [2021-08-07 18:10:07,046 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:07,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:07,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1560984810, now seen corresponding path program 2 times [2021-08-07 18:10:07,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:07,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615572832] [2021-08-07 18:10:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:07,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:07,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:07,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615572832] [2021-08-07 18:10:07,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615572832] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:07,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959565331] [2021-08-07 18:10:07,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 18:10:07,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:07,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:07,145 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) [2021-08-07 18:10:07,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 18:10:07,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 18:10:07,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:10:07,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-07 18:10:07,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:07,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959565331] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:07,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:07,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-07 18:10:07,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156468847] [2021-08-07 18:10:07,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 18:10:07,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:07,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 18:10:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-07 18:10:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:07,353 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:07,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:10:07,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:07,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:07,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:07,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:07,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 18:10:07,625 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 [2021-08-07 18:10:07,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:07,626 INFO L82 PathProgramCache]: Analyzing trace with hash 691101850, now seen corresponding path program 3 times [2021-08-07 18:10:07,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:07,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319421115] [2021-08-07 18:10:07,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:07,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:07,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:07,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319421115] [2021-08-07 18:10:07,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319421115] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:07,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643054760] [2021-08-07 18:10:07,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 18:10:07,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:07,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:07,677 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) [2021-08-07 18:10:07,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 18:10:07,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-07 18:10:07,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:10:07,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 18:10:07,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:08,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643054760] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:08,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:08,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-07 18:10:08,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617215716] [2021-08-07 18:10:08,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 18:10:08,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 18:10:08,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-07 18:10:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:08,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:08,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-08-07 18:10:08,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:08,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:08,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:08,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-07 18:10:08,325 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 [2021-08-07 18:10:08,325 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:08,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:08,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2019799270, now seen corresponding path program 4 times [2021-08-07 18:10:08,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:08,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658983481] [2021-08-07 18:10:08,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:08,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:08,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:08,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658983481] [2021-08-07 18:10:08,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658983481] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:08,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040074005] [2021-08-07 18:10:08,405 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 18:10:08,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:08,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:08,405 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) [2021-08-07 18:10:08,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 18:10:08,453 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 18:10:08,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:10:08,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-07 18:10:08,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:08,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040074005] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:08,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:08,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-07 18:10:08,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787991682] [2021-08-07 18:10:08,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 18:10:08,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:08,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 18:10:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-08-07 18:10:08,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:08,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:08,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 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) [2021-08-07 18:10:08,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:08,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:08,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:08,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:08,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:08,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:08,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:08,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:08,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 18:10:09,047 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 [2021-08-07 18:10:09,047 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:09,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:09,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1186461334, now seen corresponding path program 5 times [2021-08-07 18:10:09,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:09,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81213383] [2021-08-07 18:10:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:09,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:09,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:09,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81213383] [2021-08-07 18:10:09,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81213383] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:09,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849112669] [2021-08-07 18:10:09,136 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 18:10:09,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:09,137 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:10:09,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 18:10:09,269 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-07 18:10:09,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:10:09,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-07 18:10:09,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:09,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849112669] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:09,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:09,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-08-07 18:10:09,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873314799] [2021-08-07 18:10:09,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 18:10:09,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:09,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 18:10:09,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-08-07 18:10:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:09,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:09,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 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) [2021-08-07 18:10:09,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:09,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:09,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:09,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:09,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:10:09,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 18:10:10,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:10,041 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:10,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:10,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1040351522, now seen corresponding path program 6 times [2021-08-07 18:10:10,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:10,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702552582] [2021-08-07 18:10:10,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:10,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:10,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:10,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702552582] [2021-08-07 18:10:10,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702552582] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:10,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281574150] [2021-08-07 18:10:10,311 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 18:10:10,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:10,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:10:10,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 18:10:10,421 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-08-07 18:10:10,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:10:10,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-07 18:10:10,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:11,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281574150] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:11,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:11,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-07 18:10:11,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949979437] [2021-08-07 18:10:11,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 18:10:11,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:11,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 18:10:11,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2021-08-07 18:10:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:11,104 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:11,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 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) [2021-08-07 18:10:11,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:11,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:11,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:11,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:11,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:10:11,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:10:11,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:10:11,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 18:10:11,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:11,642 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:11,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2104261494, now seen corresponding path program 7 times [2021-08-07 18:10:11,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:11,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680983223] [2021-08-07 18:10:11,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:11,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:26,813 WARN L207 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 120 DAG size of output: 24 [2021-08-07 18:10:43,363 WARN L207 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 120 DAG size of output: 24 [2021-08-07 18:10:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:44,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:10:44,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680983223] [2021-08-07 18:10:44,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680983223] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:44,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847496678] [2021-08-07 18:10:44,953 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 18:10:44,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:10:44,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:10:44,954 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:10:44,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 18:10:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:10:45,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-07 18:10:45,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:10:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:10:46,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847496678] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:10:46,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:10:46,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-08-07 18:10:46,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105230772] [2021-08-07 18:10:46,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-07 18:10:46,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:10:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-07 18:10:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2021-08-07 18:10:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:46,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:10:46,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.6) internal successors, (65), 24 states have internal predecessors, (65), 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) [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:10:46,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:10:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 18:10:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:10:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:10:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 18:10:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:10:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:10:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 18:10:46,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-07 18:10:47,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-07 18:10:47,039 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:10:47,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:10:47,039 INFO L82 PathProgramCache]: Analyzing trace with hash -189484338, now seen corresponding path program 8 times [2021-08-07 18:10:47,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:10:47,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409560881] [2021-08-07 18:10:47,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:10:47,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:10:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-07 18:24:53,507 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 [2021-08-07 18:24:53,507 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 18:24:53,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 18:24:53,508 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 15,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-35-3-9-8-9-7-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-3-8-3-8-3-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 context. [2021-08-07 18:24:53,509 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 18:24:53,509 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 18:24:53,509 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 18:24:53,515 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 18:24:53,515 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 18:24:53,516 INFO L202 PluginConnector]: Adding new model misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 06:24:53 BasicIcfg [2021-08-07 18:24:53,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 18:24:53,517 INFO L168 Benchmark]: Toolchain (without parser) took 887948.70 ms. Allocated memory was 185.6 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 165.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-08-07 18:24:53,517 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 185.6 MB. Free memory is still 166.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 18:24:53,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.57 ms. Allocated memory is still 185.6 MB. Free memory was 165.5 MB in the beginning and 164.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 18:24:53,517 INFO L168 Benchmark]: Boogie Preprocessor took 27.75 ms. Allocated memory is still 185.6 MB. Free memory was 164.2 MB in the beginning and 163.2 MB in the end (delta: 991.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 18:24:53,517 INFO L168 Benchmark]: RCFGBuilder took 314.57 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 149.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 18:24:53,517 INFO L168 Benchmark]: TraceAbstraction took 887566.45 ms. Allocated memory was 185.6 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 148.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-08-07 18:24:53,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-08-07 18:24:53,524 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 0.12 ms. Allocated memory is still 185.6 MB. Free memory is still 166.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.57 ms. Allocated memory is still 185.6 MB. Free memory was 165.5 MB in the beginning and 164.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.75 ms. Allocated memory is still 185.6 MB. Free memory was 164.2 MB in the beginning and 163.2 MB in the end (delta: 991.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.57 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 149.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 887566.45 ms. Allocated memory was 185.6 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 148.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1476, positive: 1240, positive conditional: 1052, positive unconditional: 188, negative: 236, negative conditional: 228, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1321, positive: 1240, positive conditional: 1052, positive unconditional: 188, negative: 81, negative conditional: 73, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1321, positive: 1240, positive conditional: 1052, positive unconditional: 188, negative: 81, negative conditional: 73, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, positive: 1240, positive conditional: 1011, positive unconditional: 229, negative: 396, negative conditional: 315, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1636, positive: 1240, positive conditional: 796, positive unconditional: 444, negative: 396, negative conditional: 127, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1636, positive: 1240, positive conditional: 796, positive unconditional: 444, negative: 396, negative conditional: 127, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 375, positive: 331, positive conditional: 162, positive unconditional: 169, negative: 44, negative conditional: 34, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 375, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 208, positive: 164, positive conditional: 162, positive unconditional: 2, negative: 44, negative conditional: 34, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 209, positive conditional: 195, positive unconditional: 14, negative: 88, negative conditional: 45, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1636, positive: 909, positive conditional: 634, positive unconditional: 275, negative: 352, negative conditional: 93, negative unconditional: 259, unknown: 375, unknown conditional: 196, unknown unconditional: 179] , Statistics on independence cache: Total cache size (in pairs): 375, Positive cache size: 331, Positive conditional cache size: 162, Positive unconditional cache size: 169, Negative cache size: 44, Negative conditional cache size: 34, Negative unconditional cache size: 10, Eliminated conditions: 403, Maximal queried relation: 7, Independence queries for same thread: 155 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 71, Number of persistent set computation: 19, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1476, positive: 1240, positive conditional: 1052, positive unconditional: 188, negative: 236, negative conditional: 228, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1321, positive: 1240, positive conditional: 1052, positive unconditional: 188, negative: 81, negative conditional: 73, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1321, positive: 1240, positive conditional: 1052, positive unconditional: 188, negative: 81, negative conditional: 73, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, positive: 1240, positive conditional: 1011, positive unconditional: 229, negative: 396, negative conditional: 315, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1636, positive: 1240, positive conditional: 796, positive unconditional: 444, negative: 396, negative conditional: 127, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1636, positive: 1240, positive conditional: 796, positive unconditional: 444, negative: 396, negative conditional: 127, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 375, positive: 331, positive conditional: 162, positive unconditional: 169, negative: 44, negative conditional: 34, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 375, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 208, positive: 164, positive conditional: 162, positive unconditional: 2, negative: 44, negative conditional: 34, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 209, positive conditional: 195, positive unconditional: 14, negative: 88, negative conditional: 45, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1636, positive: 909, positive conditional: 634, positive unconditional: 275, negative: 352, negative conditional: 93, negative unconditional: 259, unknown: 375, unknown conditional: 196, unknown unconditional: 179] , Statistics on independence cache: Total cache size (in pairs): 375, Positive cache size: 331, Positive conditional cache size: 162, Positive unconditional cache size: 169, Negative cache size: 44, Negative conditional cache size: 34, Negative unconditional cache size: 10, Eliminated conditions: 403, Maximal queried relation: 7, Independence queries for same thread: 155 - 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: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 15,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-35-3-9-8-9-7-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-3-8-3-8-3-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 65]: 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 47 with TraceHistMax 15,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-35-3-9-8-9-7-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-3-8-3-8-3-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 64]: 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 47 with TraceHistMax 15,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-35-3-9-8-9-7-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-3-8-3-8-3-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 64]: 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 47 with TraceHistMax 15,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-35-3-9-8-9-7-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-3-8-3-8-3-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 887426.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 1575.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 65, 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: 40.4ms SsaConstructionTime, 296.8ms SatisfiabilityAnalysisTime, 36695.5ms InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2294 SizeOfPredicates, 13 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 14 InterpolantComputations, 0 PerfectInterpolantSequences, 14/444 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