/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/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 22:06:22,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 22:06:22,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 22:06:22,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 22:06:22,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 22:06:22,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 22:06:22,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 22:06:22,363 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 [2021-10-22 22:06:22,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 22:06:22,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 22:06:22,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 22:06:22,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 22:06:22,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 22:06:22,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 22:06:22,386 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 22:06:22,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 22:06:22,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 22:06:22,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 22:06:22,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 22:06:22,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 22:06:22,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 22:06:22,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 22:06:22,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 22:06:22,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 22:06:22,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 22:06:22,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 22:06:22,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 22:06:22,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 22:06:22,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 22:06:22,394 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-22 22:06:22,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 22:06:22,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 22:06:22,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 22:06:22,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 22:06:22,590 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 22:06:22,591 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 22:06:22,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2021-10-22 22:06:22,592 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2021-10-22 22:06:22,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 22:06:22,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 22:06:22,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 22:06:22,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 22:06:22,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 22:06:22,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 22:06:22,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 22:06:22,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 22:06:22,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 22:06:22,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 22:06:22,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 22:06:22,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 22:06:22,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 22:06:22,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/1) ... [2021-10-22 22:06:22,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 22:06:22,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:22,700 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) [2021-10-22 22:06:22,715 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 [2021-10-22 22:06:22,742 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 22:06:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 22:06:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 22:06:22,743 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 22:06:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 22:06:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 22:06:22,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 22:06:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 22:06:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 22:06:22,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 22:06:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 22:06:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 22:06:22,745 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 22:06:22,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 22:06:22,885 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-22 22:06:22,887 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:06:22 BoogieIcfgContainer [2021-10-22 22:06:22,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 22:06:22,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 22:06:22,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 22:06:22,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 22:06:22,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:06:22" (1/2) ... [2021-10-22 22:06:22,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1e5eab and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:06:22, skipping insertion in model container [2021-10-22 22:06:22,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:06:22" (2/2) ... [2021-10-22 22:06:22,910 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2021-10-22 22:06:22,913 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 22:06:22,913 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 22:06:22,913 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 22:06:22,913 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 22:06:22,954 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 22:06:22,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 22:06:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:22,998 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) [2021-10-22 22:06:23,003 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 [2021-10-22 22:06:23,023 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 22:06:23,027 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 [2021-10-22 22:06:23,027 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-22 22:06:23,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:06:23,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:06:23,163 INFO L82 PathProgramCache]: Analyzing trace with hash 520404412, now seen corresponding path program 1 times [2021-10-22 22:06:23,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:06:23,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941484453] [2021-10-22 22:06:23,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:23,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:06:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:06:23,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:06:23,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941484453] [2021-10-22 22:06:23,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941484453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:06:23,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:06:23,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 22:06:23,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306737615] [2021-10-22 22:06:23,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 22:06:23,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:06:23,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 22:06:23,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 22:06:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:23,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:06:23,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) 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) [2021-10-22 22:06:23,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:23,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 22:06:23,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:06:23,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:06:23,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1837281877, now seen corresponding path program 1 times [2021-10-22 22:06:23,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:06:23,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382824266] [2021-10-22 22:06:23,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:23,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:06:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:06:23,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:06:23,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382824266] [2021-10-22 22:06:23,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382824266] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:23,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963921358] [2021-10-22 22:06:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:23,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:23,936 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) [2021-10-22 22:06:23,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 22:06:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:23,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 22:06:23,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:06:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:06:25,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963921358] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:25,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:06:25,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-10-22 22:06:25,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464831500] [2021-10-22 22:06:25,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-10-22 22:06:25,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:06:25,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-10-22 22:06:25,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1014, Unknown=0, NotChecked=0, Total=1190 [2021-10-22 22:06:25,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:25,688 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:06:25,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.0) internal successors, (70), 34 states have internal predecessors, (70), 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) [2021-10-22 22:06:25,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:25,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:25,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 22:06:26,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-22 22:06:26,024 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:06:26,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:06:26,024 INFO L82 PathProgramCache]: Analyzing trace with hash -476084745, now seen corresponding path program 2 times [2021-10-22 22:06:26,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:06:26,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874498803] [2021-10-22 22:06:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:26,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:06:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:06:26,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:06:26,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874498803] [2021-10-22 22:06:26,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874498803] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:26,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104672966] [2021-10-22 22:06:26,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 22:06:26,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:26,729 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) [2021-10-22 22:06:26,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 22:06:26,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 22:06:26,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:06:26,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-22 22:06:26,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:06:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:06:29,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104672966] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:29,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:06:29,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-10-22 22:06:29,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317552333] [2021-10-22 22:06:29,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-10-22 22:06:29,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:06:29,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-10-22 22:06:29,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1085, Unknown=0, NotChecked=0, Total=1260 [2021-10-22 22:06:29,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:29,050 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:06:29,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.0277777777777777) internal successors, (73), 35 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:06:29,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:29,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:29,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:29,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:06:29,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 22:06:29,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:29,440 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:06:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:06:29,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1579139619, now seen corresponding path program 3 times [2021-10-22 22:06:29,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:06:29,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382113140] [2021-10-22 22:06:29,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:29,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:06:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 22:06:30,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:06:30,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382113140] [2021-10-22 22:06:30,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382113140] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:30,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93533145] [2021-10-22 22:06:30,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 22:06:30,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:30,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:30,433 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) [2021-10-22 22:06:30,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 22:06:30,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-10-22 22:06:30,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:06:30,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-22 22:06:30,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:06:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:06:35,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93533145] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:35,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:06:35,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2021-10-22 22:06:35,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072371965] [2021-10-22 22:06:35,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-10-22 22:06:35,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:06:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-10-22 22:06:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1288, Unknown=0, NotChecked=0, Total=1482 [2021-10-22 22:06:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:35,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:06:35,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.076923076923077) internal successors, (81), 38 states have internal predecessors, (81), 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) [2021-10-22 22:06:35,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:35,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:35,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:06:35,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:06:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:06:36,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 22:06:36,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:36,424 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:06:36,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:06:36,424 INFO L82 PathProgramCache]: Analyzing trace with hash 505125699, now seen corresponding path program 4 times [2021-10-22 22:06:36,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:06:36,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513414023] [2021-10-22 22:06:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:36,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:06:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-22 22:06:37,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:06:37,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513414023] [2021-10-22 22:06:37,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513414023] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:37,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106815627] [2021-10-22 22:06:37,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 22:06:37,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:37,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:37,611 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) [2021-10-22 22:06:37,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 22:06:38,360 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 22:06:38,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:06:38,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-22 22:06:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:06:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:06:51,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106815627] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:51,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:06:51,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25] total 43 [2021-10-22 22:06:51,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113880876] [2021-10-22 22:06:51,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-10-22 22:06:51,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:06:51,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-10-22 22:06:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1673, Unknown=0, NotChecked=0, Total=1892 [2021-10-22 22:06:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:51,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:06:51,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.022727272727273) internal successors, (89), 43 states have internal predecessors, (89), 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) [2021-10-22 22:06:51,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:51,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:51,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:06:51,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:06:51,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:06:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:06:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:06:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:06:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:06:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:06:52,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 22:06:52,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:52,409 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:06:52,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:06:52,410 INFO L82 PathProgramCache]: Analyzing trace with hash 770750215, now seen corresponding path program 5 times [2021-10-22 22:06:52,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:06:52,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559104946] [2021-10-22 22:06:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:06:52,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:06:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:06:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-22 22:06:56,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:06:56,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559104946] [2021-10-22 22:06:56,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559104946] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:06:56,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208462734] [2021-10-22 22:06:56,057 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 22:06:56,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:06:56,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:06:56,058 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) [2021-10-22 22:06:56,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 22:06:57,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-10-22 22:06:57,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:06:57,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-22 22:06:57,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:07:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:07:15,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208462734] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:07:15,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:07:15,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 47 [2021-10-22 22:07:15,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446798931] [2021-10-22 22:07:15,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-10-22 22:07:15,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:07:15,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-10-22 22:07:15,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2062, Unknown=0, NotChecked=0, Total=2256 [2021-10-22 22:07:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:07:15,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:07:15,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.9791666666666667) internal successors, (95), 47 states have internal predecessors, (95), 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) [2021-10-22 22:07:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:07:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:07:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:07:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:07:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:07:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 22:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 22:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 22:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 22:07:17,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 22:07:17,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:07:17,828 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:07:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:07:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1744154239, now seen corresponding path program 6 times [2021-10-22 22:07:17,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:07:17,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326815252] [2021-10-22 22:07:17,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:07:17,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:07:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-22 22:21:06,706 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 [2021-10-22 22:21:06,714 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 22:21:06,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-22 22:21:06,715 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-6-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-5-1 context. [2021-10-22 22:21:06,716 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 22:21:06,716 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 22:21:06,716 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 22:21:06,723 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 22:21:06,723 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 22:21:06,724 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 10:21:06 BasicIcfg [2021-10-22 22:21:06,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 22:21:06,725 INFO L168 Benchmark]: Toolchain (without parser) took 884112.15 ms. Allocated memory was 174.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 132.5 MB in the beginning and 1.1 GB in the end (delta: -965.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-10-22 22:21:06,726 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 174.1 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 22:21:06,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.92 ms. Allocated memory is still 174.1 MB. Free memory was 132.5 MB in the beginning and 131.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 22:21:06,726 INFO L168 Benchmark]: Boogie Preprocessor took 18.57 ms. Allocated memory is still 174.1 MB. Free memory was 131.1 MB in the beginning and 130.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 22:21:06,727 INFO L168 Benchmark]: RCFGBuilder took 222.90 ms. Allocated memory is still 174.1 MB. Free memory was 130.1 MB in the beginning and 115.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-22 22:21:06,727 INFO L168 Benchmark]: TraceAbstraction took 883832.81 ms. Allocated memory was 174.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 115.0 MB in the beginning and 1.1 GB in the end (delta: -983.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-10-22 22:21:06,728 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 0.11 ms. Allocated memory is still 174.1 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.92 ms. Allocated memory is still 174.1 MB. Free memory was 132.5 MB in the beginning and 131.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.57 ms. Allocated memory is still 174.1 MB. Free memory was 131.1 MB in the beginning and 130.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 222.90 ms. Allocated memory is still 174.1 MB. Free memory was 130.1 MB in the beginning and 115.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 883832.81 ms. Allocated memory was 174.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 115.0 MB in the beginning and 1.1 GB in the end (delta: -983.1 MB). Peak memory consumption was 1.0 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: 1454, positive: 1163, positive conditional: 888, positive unconditional: 275, negative: 291, negative conditional: 279, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1258, positive: 1163, positive conditional: 0, positive unconditional: 1163, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 266, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 266, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1258, positive: 909, positive conditional: 0, positive unconditional: 909, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 266, unknown conditional: 0, unknown unconditional: 266] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 254, Positive conditional cache size: 0, Positive unconditional cache size: 254, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 196 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 126, Number of persistent set computation: 37, Number of trivial persistent sets: 26, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1454, positive: 1163, positive conditional: 888, positive unconditional: 275, negative: 291, negative conditional: 279, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1258, positive: 1163, positive conditional: 0, positive unconditional: 1163, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 266, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 266, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1258, positive: 909, positive conditional: 0, positive unconditional: 909, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 266, unknown conditional: 0, unknown unconditional: 266] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 254, Positive conditional cache size: 0, Positive unconditional cache size: 254, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 196 - 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: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-6-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-5-1 context. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-6-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-5-1 context. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-6-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-5-1 context. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-6-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 883726.4ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 3184.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 93, 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: 32.7ms SsaConstructionTime, 242.0ms SatisfiabilityAnalysisTime, 47317.9ms InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 458 ConstructedInterpolants, 0 QuantifiedInterpolants, 33186 SizeOfPredicates, 35 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 51/642 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 [2021-10-22 22:21:06,732 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