/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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 09:48:38,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 09:48:38,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 09:48:38,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 09:48:38,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 09:48:38,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 09:48:38,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 09:48:38,951 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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-25 09:48:38,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 09:48:38,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 09:48:38,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 09:48:38,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 09:48:38,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 09:48:38,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 09:48:38,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 09:48:38,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 09:48:38,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 09:48:38,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 09:48:38,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 09:48:38,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 09:48:38,976 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 09:48:38,976 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 09:48:38,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 09:48:38,976 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-25 09:48:38,976 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 09:48:39,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 09:48:39,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 09:48:39,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 09:48:39,193 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 09:48:39,194 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 09:48:39,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl [2021-10-25 09:48:39,194 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl' [2021-10-25 09:48:39,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 09:48:39,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 09:48:39,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 09:48:39,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 09:48:39,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 09:48:39,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 09:48:39,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 09:48:39,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 09:48:39,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 09:48:39,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 09:48:39,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 09:48:39,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 09:48:39,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 09:48:39,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/1) ... [2021-10-25 09:48:39,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 09:48:39,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:48:39,293 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) [2021-10-25 09:48:39,312 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 [2021-10-25 09:48:39,329 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 09:48:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 09:48:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 09:48:39,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 09:48:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 09:48:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 09:48:39,331 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 09:48:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 09:48:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 09:48:39,331 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 09:48:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 09:48:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 09:48:39,332 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 09:48:39,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 09:48:39,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 09:48:39,506 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:39 BoogieIcfgContainer [2021-10-25 09:48:39,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 09:48:39,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 09:48:39,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 09:48:39,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 09:48:39,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:48:39" (1/2) ... [2021-10-25 09:48:39,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217cbb7f and model type three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:39, skipping insertion in model container [2021-10-25 09:48:39,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:39" (2/2) ... [2021-10-25 09:48:39,514 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-max.wvr.bpl [2021-10-25 09:48:39,518 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 09:48:39,519 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 09:48:39,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 09:48:39,519 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 09:48:39,551 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-25 09:48:39,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 09:48:39,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:48:39,648 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) [2021-10-25 09:48:39,683 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 [2021-10-25 09:48:39,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 09:48:39,705 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 [2021-10-25 09:48:39,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 09:48:39,872 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:39,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:39,877 INFO L82 PathProgramCache]: Analyzing trace with hash 435732575, now seen corresponding path program 1 times [2021-10-25 09:48:39,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:39,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706461881] [2021-10-25 09:48:39,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:39,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 09:48:39,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:48:39,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706461881] [2021-10-25 09:48:39,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706461881] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:48:39,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:48:39,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:48:39,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400590546] [2021-10-25 09:48:40,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:48:40,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:48:40,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:48:40,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:48:40,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:40,013 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:48:40,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-25 09:48:40,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:40,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 09:48:40,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:40,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:40,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2071904664, now seen corresponding path program 1 times [2021-10-25 09:48:40,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:40,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342020437] [2021-10-25 09:48:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:40,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 09:48:40,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:48:40,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342020437] [2021-10-25 09:48:40,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342020437] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:48:40,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:48:40,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:48:40,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044047054] [2021-10-25 09:48:40,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:48:40,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:48:40,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:48:40,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:48:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:40,108 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:48:40,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-25 09:48:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 09:48:40,147 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:40,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1626718837, now seen corresponding path program 2 times [2021-10-25 09:48:40,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:40,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500158481] [2021-10-25 09:48:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:40,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-25 09:48:40,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:48:40,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500158481] [2021-10-25 09:48:40,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500158481] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:40,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762006035] [2021-10-25 09:48:40,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 09:48:40,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:40,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:48:40,250 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) [2021-10-25 09:48:40,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 09:48:40,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 09:48:40,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:48:40,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-25 09:48:40,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:48:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-25 09:48:40,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762006035] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:40,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:48:40,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-10-25 09:48:40,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541221918] [2021-10-25 09:48:40,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-25 09:48:40,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:48:40,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-25 09:48:40,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-25 09:48:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:40,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:48:40,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-25 09:48:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:40,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:40,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:40,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-25 09:48:40,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-25 09:48:40,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:40,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:40,788 INFO L82 PathProgramCache]: Analyzing trace with hash 328037869, now seen corresponding path program 1 times [2021-10-25 09:48:40,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:40,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206499] [2021-10-25 09:48:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:40,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 09:48:40,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:48:40,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206499] [2021-10-25 09:48:40,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206499] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:40,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332340435] [2021-10-25 09:48:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:40,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:40,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:48:40,901 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) [2021-10-25 09:48:40,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 09:48:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:40,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-25 09:48:40,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:48:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 09:48:41,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332340435] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:41,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:48:41,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 8 [2021-10-25 09:48:41,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280624160] [2021-10-25 09:48:41,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 09:48:41,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:48:41,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 09:48:41,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-25 09:48:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:41,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:48:41,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:48:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:48:41,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 09:48:41,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:41,532 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:41,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:41,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1542587162, now seen corresponding path program 1 times [2021-10-25 09:48:41,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:41,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205761582] [2021-10-25 09:48:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:41,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-25 09:48:41,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:48:41,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205761582] [2021-10-25 09:48:41,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205761582] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:41,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967789485] [2021-10-25 09:48:41,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:41,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:41,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:48:41,630 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) [2021-10-25 09:48:41,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 09:48:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:41,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-25 09:48:41,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:48:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-25 09:48:41,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967789485] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:41,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:48:41,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-25 09:48:41,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362103029] [2021-10-25 09:48:41,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 09:48:41,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:48:41,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 09:48:41,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-25 09:48:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:41,874 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:48:41,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-25 09:48:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:48:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:48:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:41,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 09:48:42,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:42,135 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:42,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:42,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1085412868, now seen corresponding path program 2 times [2021-10-25 09:48:42,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:42,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760985290] [2021-10-25 09:48:42,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:42,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:48:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-25 09:48:42,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:48:42,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760985290] [2021-10-25 09:48:42,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760985290] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:42,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863518294] [2021-10-25 09:48:42,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 09:48:42,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:42,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:48:42,216 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) [2021-10-25 09:48:42,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 09:48:42,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 09:48:42,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:48:42,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-25 09:48:42,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:48:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-25 09:48:42,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863518294] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:48:42,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:48:42,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-25 09:48:42,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404516782] [2021-10-25 09:48:42,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 09:48:42,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:48:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 09:48:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-25 09:48:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:42,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:48:42,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-10-25 09:48:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:48:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:48:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:48:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:48:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 09:48:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:48:42,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-25 09:48:42,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:48:42,728 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:48:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:48:42,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1152671650, now seen corresponding path program 3 times [2021-10-25 09:48:42,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:48:42,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458322322] [2021-10-25 09:48:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:48:42,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:48:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-25 10:03:26,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 10:03:26,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-25 10:03:26,644 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-7-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-5-3-2-1 context. [2021-10-25 10:03:26,645 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 10:03:26,645 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 10:03:26,645 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 10:03:26,648 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 [2021-10-25 10:03:26,653 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 10:03:26,653 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 10:03:26,654 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:03:26 BasicIcfg [2021-10-25 10:03:26,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 10:03:26,656 INFO L168 Benchmark]: Toolchain (without parser) took 887438.28 ms. Allocated memory was 199.2 MB in the beginning and 710.9 MB in the end (delta: 511.7 MB). Free memory was 157.6 MB in the beginning and 611.2 MB in the end (delta: -453.7 MB). Peak memory consumption was 424.1 MB. Max. memory is 8.0 GB. [2021-10-25 10:03:26,656 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 199.2 MB. Free memory was 158.9 MB in the beginning and 158.8 MB in the end (delta: 92.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 10:03:26,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.63 ms. Allocated memory is still 199.2 MB. Free memory was 157.6 MB in the beginning and 156.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 10:03:26,657 INFO L168 Benchmark]: Boogie Preprocessor took 13.97 ms. Allocated memory is still 199.2 MB. Free memory was 156.0 MB in the beginning and 155.1 MB in the end (delta: 901.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 10:03:26,657 INFO L168 Benchmark]: RCFGBuilder took 246.23 ms. Allocated memory is still 199.2 MB. Free memory was 154.9 MB in the beginning and 140.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-25 10:03:26,658 INFO L168 Benchmark]: TraceAbstraction took 887146.09 ms. Allocated memory was 199.2 MB in the beginning and 710.9 MB in the end (delta: 511.7 MB). Free memory was 139.7 MB in the beginning and 611.2 MB in the end (delta: -471.5 MB). Peak memory consumption was 406.3 MB. Max. memory is 8.0 GB. [2021-10-25 10:03:26,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 199.2 MB. Free memory was 158.9 MB in the beginning and 158.8 MB in the end (delta: 92.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.63 ms. Allocated memory is still 199.2 MB. Free memory was 157.6 MB in the beginning and 156.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.97 ms. Allocated memory is still 199.2 MB. Free memory was 156.0 MB in the beginning and 155.1 MB in the end (delta: 901.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 246.23 ms. Allocated memory is still 199.2 MB. Free memory was 154.9 MB in the beginning and 140.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 887146.09 ms. Allocated memory was 199.2 MB in the beginning and 710.9 MB in the end (delta: 511.7 MB). Free memory was 139.7 MB in the beginning and 611.2 MB in the end (delta: -471.5 MB). Peak memory consumption was 406.3 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: 2175, positive: 1647, positive conditional: 1255, positive unconditional: 392, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1702, positive: 1647, positive conditional: 0, positive unconditional: 1647, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, positive: 339, positive conditional: 0, positive unconditional: 339, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, positive: 339, positive conditional: 0, positive unconditional: 339, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1702, positive: 1308, positive conditional: 0, positive unconditional: 1308, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 345, unknown conditional: 0, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 339, Positive conditional cache size: 0, Positive unconditional cache size: 339, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 473 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 104, Number of persistent set computation: 74, Number of trivial persistent sets: 53, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2175, positive: 1647, positive conditional: 1255, positive unconditional: 392, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1702, positive: 1647, positive conditional: 0, positive unconditional: 1647, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, positive: 339, positive conditional: 0, positive unconditional: 339, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, positive: 339, positive conditional: 0, positive unconditional: 339, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1702, positive: 1308, positive conditional: 0, positive unconditional: 1308, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 345, unknown conditional: 0, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 339, Positive conditional cache size: 0, Positive unconditional cache size: 339, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 473 - 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: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-7-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-5-3-2-1 context. - TimeoutResultAtElement [Line: 67]: 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 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-7-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-5-3-2-1 context. - TimeoutResultAtElement [Line: 68]: 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 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-7-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-5-3-2-1 context. - TimeoutResultAtElement [Line: 67]: 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 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-10-2-7-3-8-3-8-3-8-3-8-3-8-3-8-3-8-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-5-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 887032.3ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.9ms, PartialOrderReductionTime: 600.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, 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: 50.9ms SsaConstructionTime, 199.3ms SatisfiabilityAnalysisTime, 976.7ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1026 SizeOfPredicates, 5 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 126/175 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 [2021-10-25 10:03:26,672 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown