/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-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 10:13:56,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 10:13:56,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 10:13:56,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 10:13:56,302 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-NoLbe-Random7777.epf [2021-08-23 10:13:56,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 10:13:56,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 10:13:56,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 10:13:56,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 10:13:56,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 10:13:56,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 10:13:56,348 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 10:13:56,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 10:13:56,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 10:13:56,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 10:13:56,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 10:13:56,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 10:13:56,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 10:13:56,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 10:13:56,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 10:13:56,350 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 10:13:56,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 10:13:56,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 10:13:56,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 10:13:56,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 10:13:56,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 10:13:56,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 10:13:56,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 10:13:56,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:13:56,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 10:13:56,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 10:13:56,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 10:13:56,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 10:13:56,352 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 10:13:56,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 10:13:56,353 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 10:13:56,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 10:13:56,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 10:13:56,353 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 10:13:56,353 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 10:13:56,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 10:13:56,354 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 10:13:56,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 10:13:56,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 10:13:56,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 10:13:56,641 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 10:13:56,642 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 10:13:56,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2021-08-23 10:13:56,643 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2021-08-23 10:13:56,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 10:13:56,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 10:13:56,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 10:13:56,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 10:13:56,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 10:13:56,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 10:13:56,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 10:13:56,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 10:13:56,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 10:13:56,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 10:13:56,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 10:13:56,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 10:13:56,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 10:13:56,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/1) ... [2021-08-23 10:13:56,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:13:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:13:56,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-23 10:13:56,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-23 10:13:56,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 10:13:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 10:13:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 10:13:56,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 10:13:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 10:13:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 10:13:56,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 10:13:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 10:13:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 10:13:56,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 10:13:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 10:13:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 10:13:56,792 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 10:13:57,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 10:13:57,022 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 10:13:57,024 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:13:57 BoogieIcfgContainer [2021-08-23 10:13:57,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 10:13:57,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 10:13:57,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 10:13:57,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 10:13:57,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:13:56" (1/2) ... [2021-08-23 10:13:57,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15da3de and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:13:57, skipping insertion in model container [2021-08-23 10:13:57,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:13:57" (2/2) ... [2021-08-23 10:13:57,040 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2021-08-23 10:13:57,044 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 10:13:57,044 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 10:13:57,044 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 10:13:57,044 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 10:13:57,128 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 10:13:57,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 10:13:57,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:13:57,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 10:13:57,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-23 10:13:57,226 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 10:13:57,234 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-23 10:13:57,234 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 10:13:57,352 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:13:57,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:13:57,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1896526525, now seen corresponding path program 1 times [2021-08-23 10:13:57,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:13:57,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275804984] [2021-08-23 10:13:57,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:13:57,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:13:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:13:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:13:57,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:13:57,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275804984] [2021-08-23 10:13:57,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275804984] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:13:57,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:13:57,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-23 10:13:57,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733594914] [2021-08-23 10:13:57,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 10:13:57,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:13:57,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 10:13:57,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-23 10:13:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:13:57,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:13:57,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:13:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:13:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:13:57,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 10:13:57,630 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:13:57,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:13:57,633 INFO L82 PathProgramCache]: Analyzing trace with hash 310965531, now seen corresponding path program 1 times [2021-08-23 10:13:57,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:13:57,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338994092] [2021-08-23 10:13:57,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:13:57,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:13:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:13:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 10:13:57,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:13:57,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338994092] [2021-08-23 10:13:57,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338994092] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:13:57,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:13:57,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-23 10:13:57,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697077905] [2021-08-23 10:13:57,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 10:13:57,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:13:57,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 10:13:57,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-23 10:13:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:13:57,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:13:57,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:13:57,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:13:57,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:13:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:13:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:13:57,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 10:13:57,829 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:13:57,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:13:57,830 INFO L82 PathProgramCache]: Analyzing trace with hash -111427335, now seen corresponding path program 1 times [2021-08-23 10:13:57,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:13:57,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257799485] [2021-08-23 10:13:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:13:57,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:13:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:13:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:13:58,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:13:58,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257799485] [2021-08-23 10:13:58,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257799485] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:13:58,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467449778] [2021-08-23 10:13:58,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:13:58,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:13:58,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:13:58,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:13:58,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 10:13:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:13:58,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-23 10:13:58,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:13:59,287 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-23 10:13:59,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 57 [2021-08-23 10:13:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:13:59,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467449778] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:13:59,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:13:59,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-08-23 10:13:59,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736896152] [2021-08-23 10:13:59,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-23 10:13:59,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:13:59,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-23 10:13:59,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-08-23 10:13:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:13:59,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:13:59,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:13:59,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:13:59,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:13:59,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:13:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:13:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:13:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:13:59,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-23 10:14:00,017 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 [2021-08-23 10:14:00,017 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:14:00,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:14:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1393927255, now seen corresponding path program 2 times [2021-08-23 10:14:00,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:14:00,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542681091] [2021-08-23 10:14:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:14:00,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:14:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:00,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:14:00,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542681091] [2021-08-23 10:14:00,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542681091] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:00,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387108797] [2021-08-23 10:14:00,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 10:14:00,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:00,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:14:00,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:14:00,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 10:14:00,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 10:14:00,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:14:00,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-23 10:14:00,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:14:00,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:00,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387108797] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:00,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:14:00,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-08-23 10:14:00,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97815145] [2021-08-23 10:14:00,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-23 10:14:00,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:14:00,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-23 10:14:00,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-08-23 10:14:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:00,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:14:00,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:14:00,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:00,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:00,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:00,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:00,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 10:14:00,875 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 [2021-08-23 10:14:00,876 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:14:00,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:14:00,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1232703797, now seen corresponding path program 3 times [2021-08-23 10:14:00,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:14:00,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196734982] [2021-08-23 10:14:00,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:14:00,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:14:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:01,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:14:01,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196734982] [2021-08-23 10:14:01,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196734982] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:01,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776067131] [2021-08-23 10:14:01,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 10:14:01,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:14:01,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:14:01,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 10:14:01,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-23 10:14:01,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:14:01,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-23 10:14:01,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:14:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:14:03,437 INFO L354 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2021-08-23 10:14:03,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 149 treesize of output 99 [2021-08-23 10:14:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:03,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776067131] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:03,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:14:03,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2021-08-23 10:14:03,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994810625] [2021-08-23 10:14:03,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-23 10:14:03,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:14:03,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-23 10:14:03,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-08-23 10:14:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:03,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:14:03,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:14:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:04,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 10:14:04,480 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 [2021-08-23 10:14:04,481 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:14:04,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:14:04,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1597769103, now seen corresponding path program 4 times [2021-08-23 10:14:04,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:14:04,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643549879] [2021-08-23 10:14:04,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:14:04,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:14:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:04,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:14:04,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643549879] [2021-08-23 10:14:04,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643549879] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:04,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731994703] [2021-08-23 10:14:04,596 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 10:14:04,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:04,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:14:04,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:14:04,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 10:14:04,831 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 10:14:04,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:14:04,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-23 10:14:04,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:14:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:05,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731994703] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:05,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:14:05,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-08-23 10:14:05,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788622134] [2021-08-23 10:14:05,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-23 10:14:05,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:14:05,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-23 10:14:05,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-08-23 10:14:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:05,098 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:14:05,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:14:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:14:05,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 10:14:05,632 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 [2021-08-23 10:14:05,633 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:14:05,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:14:05,633 INFO L82 PathProgramCache]: Analyzing trace with hash -454375217, now seen corresponding path program 5 times [2021-08-23 10:14:05,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:14:05,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905266338] [2021-08-23 10:14:05,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:14:05,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:14:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:05,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:14:05,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905266338] [2021-08-23 10:14:05,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905266338] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:05,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161744105] [2021-08-23 10:14:05,747 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 10:14:05,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:05,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:14:05,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:14:05,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 10:14:06,001 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-23 10:14:06,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:14:06,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-23 10:14:06,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:14:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:06,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161744105] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:06,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:14:06,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2021-08-23 10:14:06,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243719486] [2021-08-23 10:14:06,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-23 10:14:06,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:14:06,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-23 10:14:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2021-08-23 10:14:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:06,263 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:14:06,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:14:06,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:06,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:06,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:06,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:06,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:06,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:14:06,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:14:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 10:14:06,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-08-23 10:14:06,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:06,811 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:14:06,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:14:06,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1164478547, now seen corresponding path program 6 times [2021-08-23 10:14:06,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:14:06,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147178969] [2021-08-23 10:14:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:14:06,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:14:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:09,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:14:09,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147178969] [2021-08-23 10:14:09,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147178969] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:09,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677865362] [2021-08-23 10:14:09,857 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 10:14:09,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:09,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:14:09,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:14:09,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 10:14:10,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-23 10:14:10,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:14:10,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 47 conjunts are in the unsatisfiable core [2021-08-23 10:14:10,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:14:22,844 INFO L354 Elim1Store]: treesize reduction 206, result has 5.9 percent of original size [2021-08-23 10:14:22,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 669 treesize of output 383 [2021-08-23 10:14:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:23,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677865362] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:23,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:14:23,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-08-23 10:14:23,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253285287] [2021-08-23 10:14:23,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-23 10:14:23,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:14:23,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-23 10:14:23,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2021-08-23 10:14:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:23,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:14:23,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 10:14:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:14:28,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 10:14:28,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-23 10:14:28,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 10:14:28,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:28,608 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:14:28,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:14:28,608 INFO L82 PathProgramCache]: Analyzing trace with hash -946500119, now seen corresponding path program 7 times [2021-08-23 10:14:28,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:14:28,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189885242] [2021-08-23 10:14:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:14:28,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:14:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:14:54,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:14:54,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189885242] [2021-08-23 10:14:54,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189885242] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:14:54,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504902493] [2021-08-23 10:14:54,995 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 10:14:54,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:14:54,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:14:54,996 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:14:54,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 10:14:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:14:55,803 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-23 10:14:55,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:15:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:15:40,338 INFO L354 Elim1Store]: treesize reduction 377, result has 4.1 percent of original size [2021-08-23 10:15:40,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 1510 treesize of output 761 [2021-08-23 10:15:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:15:41,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504902493] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:15:41,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:15:41,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 29 [2021-08-23 10:15:41,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671434976] [2021-08-23 10:15:41,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-23 10:15:41,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:15:41,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-23 10:15:41,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-08-23 10:15:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:15:41,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:15:41,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 29 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:15:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:15:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:15:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:15:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:15:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:15:41,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:15:41,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 10:15:41,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-23 10:15:41,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:15:48,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-23 10:15:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-23 10:15:48,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 10:15:49,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-23 10:15:49,054 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:15:49,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:15:49,055 INFO L82 PathProgramCache]: Analyzing trace with hash -195271131, now seen corresponding path program 8 times [2021-08-23 10:15:49,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:15:49,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659138730] [2021-08-23 10:15:49,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:15:49,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:15:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-23 10:28:20,719 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 10:28:20,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-23 10:28:20,720 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-4-2-2-2-2-2-5-3-8-2-15-3-15-2-15-3-15-3-15-3-15-3-15-2-15-3-15-2-15-3-15-2-15-3-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-8-2-5-2-5-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-4-1 context. [2021-08-23 10:28:20,721 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 10:28:20,722 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 10:28:20,722 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 10:28:20,729 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 10:28:20,729 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 10:28:20,731 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 10:28:20 BasicIcfg [2021-08-23 10:28:20,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 10:28:20,732 INFO L168 Benchmark]: Toolchain (without parser) took 864066.12 ms. Allocated memory was 199.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 179.1 MB in the beginning and 1.2 GB in the end (delta: -987.6 MB). Peak memory consumption was 848.9 MB. Max. memory is 8.0 GB. [2021-08-23 10:28:20,732 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 199.2 MB. Free memory was 180.3 MB in the beginning and 180.2 MB in the end (delta: 82.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 10:28:20,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.20 ms. Allocated memory is still 199.2 MB. Free memory was 179.0 MB in the beginning and 177.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-23 10:28:20,732 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 199.2 MB. Free memory was 177.5 MB in the beginning and 176.5 MB in the end (delta: 947.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 10:28:20,733 INFO L168 Benchmark]: RCFGBuilder took 302.41 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 162.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 10:28:20,733 INFO L168 Benchmark]: TraceAbstraction took 863695.51 ms. Allocated memory was 199.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 162.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 831.1 MB. Max. memory is 8.0 GB. [2021-08-23 10:28:20,734 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 0.12 ms. Allocated memory is still 199.2 MB. Free memory was 180.3 MB in the beginning and 180.2 MB in the end (delta: 82.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.20 ms. Allocated memory is still 199.2 MB. Free memory was 179.0 MB in the beginning and 177.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 199.2 MB. Free memory was 177.5 MB in the beginning and 176.5 MB in the end (delta: 947.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 302.41 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 162.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 863695.51 ms. Allocated memory was 199.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 162.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 831.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 825, positive: 616, positive conditional: 420, positive unconditional: 196, negative: 209, negative conditional: 209, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 420, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 420, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 395, positive unconditional: 221, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 616, positive: 616, positive conditional: 370, positive unconditional: 246, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 370, positive unconditional: 246, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 194, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 194, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 616, positive: 422, positive conditional: 370, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 194, unknown conditional: 0, unknown unconditional: 194] , Statistics on independence cache: Total cache size (in pairs): 194, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0, Independence queries for same thread: 209 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 51, Number of persistent set computation: 20, Number of trivial persistent sets: 13, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 825, positive: 616, positive conditional: 420, positive unconditional: 196, negative: 209, negative conditional: 209, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 420, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 420, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 395, positive unconditional: 221, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 616, positive: 616, positive conditional: 370, positive unconditional: 246, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 616, positive: 616, positive conditional: 370, positive unconditional: 246, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 194, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 194, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 616, positive: 422, positive conditional: 370, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 194, unknown conditional: 0, unknown unconditional: 194] , Statistics on independence cache: Total cache size (in pairs): 194, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0, Independence queries for same thread: 209 - 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-4-2-2-2-2-2-5-3-8-2-15-3-15-2-15-3-15-3-15-3-15-3-15-2-15-3-15-2-15-3-15-2-15-3-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-8-2-5-2-5-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-4-1 context. - TimeoutResultAtElement [Line: 61]: 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 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-4-2-2-2-2-2-5-3-8-2-15-3-15-2-15-3-15-3-15-3-15-3-15-2-15-3-15-2-15-3-15-2-15-3-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-8-2-5-2-5-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-4-1 context. - TimeoutResultAtElement [Line: 61]: 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 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-4-2-2-2-2-2-5-3-8-2-15-3-15-2-15-3-15-3-15-3-15-3-15-2-15-3-15-2-15-3-15-2-15-3-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-8-2-5-2-5-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-4-1 context. - TimeoutResultAtElement [Line: 62]: 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 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-4-2-2-2-2-2-5-3-8-2-15-3-15-2-15-3-15-3-15-3-15-3-15-2-15-3-15-2-15-3-15-2-15-3-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-15-2-8-2-5-2-5-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 863549.8ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.2ms, PartialOrderReductionTime: 13494.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 123, 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: 60.6ms SsaConstructionTime, 470.7ms SatisfiabilityAnalysisTime, 94303.8ms InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 434 ConstructedInterpolants, 32 QuantifiedInterpolants, 43713 SizeOfPredicates, 40 NumberOfNonLiveVariables, 594 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 45/285 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2021-08-23 10:28:20,756 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 10:28:20,756 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