/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 03:39:55,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 03:39:55,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 03:39:55,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 03:39:55,673 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.epf [2022-02-19 03:39:55,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 03:39:55,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 03:39:55,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 03:39:55,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 03:39:55,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 03:39:55,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 03:39:55,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 03:39:55,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 03:39:55,691 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 03:39:55,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 03:39:55,691 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 03:39:55,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 03:39:55,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 03:39:55,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 03:39:55,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 03:39:55,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 03:39:55,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 03:39:55,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 03:39:55,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 03:39:55,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 03:39:55,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 03:39:55,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 03:39:55,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 03:39:55,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 03:39:55,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 03:39:55,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 03:39:55,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 03:39:55,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 03:39:55,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 03:39:55,695 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 03:39:55,696 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 03:39:55,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 03:39:55,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 03:39:55,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 03:39:55,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 03:39:55,920 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 03:39:55,920 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 03:39:55,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2022-02-19 03:39:55,922 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2022-02-19 03:39:55,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 03:39:55,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 03:39:55,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 03:39:55,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 03:39:55,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 03:39:55,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,965 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 03:39:55,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 03:39:55,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 03:39:55,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 03:39:55,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 03:39:55,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 03:39:55,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 03:39:55,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 03:39:55,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 03:39:55,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/1) ... [2022-02-19 03:39:55,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 03:39:55,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:56,041 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) [2022-02-19 03:39:56,059 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 [2022-02-19 03:39:56,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 03:39:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 03:39:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 03:39:56,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 03:39:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 03:39:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 03:39:56,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 03:39:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 03:39:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 03:39:56,075 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 03:39:56,113 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 03:39:56,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 03:39:56,188 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 03:39:56,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 03:39:56,219 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-19 03:39:56,220 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-02-19 03:39:56,221 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:39:56 BoogieIcfgContainer [2022-02-19 03:39:56,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 03:39:56,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 03:39:56,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 03:39:56,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 03:39:56,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:39:55" (1/2) ... [2022-02-19 03:39:56,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81ecf23 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:39:56, skipping insertion in model container [2022-02-19 03:39:56,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:39:56" (2/2) ... [2022-02-19 03:39:56,226 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2022-02-19 03:39:56,229 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 03:39:56,229 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 03:39:56,230 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 03:39:56,230 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 03:39:56,289 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 03:39:56,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 03:39:56,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:56,320 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) [2022-02-19 03:39:56,321 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 [2022-02-19 03:39:56,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 03:39:56,385 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 03:39:56,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 03:39:56,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:39:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:39:56,474 INFO L85 PathProgramCache]: Analyzing trace with hash 519320593, now seen corresponding path program 1 times [2022-02-19 03:39:56,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:39:56,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779345699] [2022-02-19 03:39:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:39:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:56,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:39:56,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779345699] [2022-02-19 03:39:56,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779345699] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:39:56,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:39:56,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 03:39:56,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453554063] [2022-02-19 03:39:56,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:39:56,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 03:39:56,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:39:56,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 03:39:56,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-19 03:39:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:56,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:39:56,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-02-19 03:39:56,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:56,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 03:39:56,766 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:39:56,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:39:56,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1175011406, now seen corresponding path program 1 times [2022-02-19 03:39:56,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:39:56,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492684553] [2022-02-19 03:39:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:39:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:56,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:39:56,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492684553] [2022-02-19 03:39:56,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492684553] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:39:56,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725634964] [2022-02-19 03:39:56,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:56,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:56,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:56,867 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) [2022-02-19 03:39:56,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 03:39:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:56,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 03:39:56,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:39:57,055 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 03:39:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:57,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:39:57,274 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:39:57,275 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 62 [2022-02-19 03:39:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:57,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725634964] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:39:57,426 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:39:57,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 03:39:57,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098342061] [2022-02-19 03:39:57,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:39:57,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 03:39:57,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:39:57,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 03:39:57,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-19 03:39:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:57,429 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:39:57,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 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) [2022-02-19 03:39:57,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:57,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:57,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:57,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 03:39:57,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-19 03:39:57,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:39:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:39:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2135271473, now seen corresponding path program 2 times [2022-02-19 03:39:57,765 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:39:57,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689190036] [2022-02-19 03:39:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:39:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:57,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:39:57,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689190036] [2022-02-19 03:39:57,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689190036] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:39:57,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542114987] [2022-02-19 03:39:57,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 03:39:57,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:57,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:57,865 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) [2022-02-19 03:39:57,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 03:39:57,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:39:57,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 03:39:57,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:39:57,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 03:39:58,061 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:39:58,062 INFO L387 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 48 [2022-02-19 03:39:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:58,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:39:58,238 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:39:58,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 77 [2022-02-19 03:39:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:58,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542114987] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:39:58,386 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:39:58,387 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-02-19 03:39:58,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70859966] [2022-02-19 03:39:58,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:39:58,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 03:39:58,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:39:58,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 03:39:58,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-19 03:39:58,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:58,396 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:39:58,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:39:58,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:58,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:58,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:39:58,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 03:39:58,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:58,781 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:39:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:39:58,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1700440970, now seen corresponding path program 1 times [2022-02-19 03:39:58,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:39:58,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022068217] [2022-02-19 03:39:58,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:58,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:39:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:58,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:39:58,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022068217] [2022-02-19 03:39:58,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022068217] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:39:58,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409686919] [2022-02-19 03:39:58,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:58,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:58,819 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) [2022-02-19 03:39:58,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 03:39:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:58,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-19 03:39:58,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:39:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:58,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:39:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:58,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409686919] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:39:58,888 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:39:58,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-19 03:39:58,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568394057] [2022-02-19 03:39:58,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:39:58,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 03:39:58,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:39:58,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 03:39:58,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-19 03:39:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:58,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:39:58,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-02-19 03:39:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:39:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:39:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:39:58,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 03:39:59,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:59,159 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:39:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:39:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1674825618, now seen corresponding path program 3 times [2022-02-19 03:39:59,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:39:59,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773131436] [2022-02-19 03:39:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:59,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:39:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:59,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:39:59,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773131436] [2022-02-19 03:39:59,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773131436] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:39:59,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450152617] [2022-02-19 03:39:59,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 03:39:59,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:59,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:59,192 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) [2022-02-19 03:39:59,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 03:39:59,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-19 03:39:59,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:39:59,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-19 03:39:59,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:39:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:59,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:39:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:59,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450152617] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:39:59,267 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:39:59,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-19 03:39:59,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124754320] [2022-02-19 03:39:59,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:39:59,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 03:39:59,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:39:59,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 03:39:59,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-19 03:39:59,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:59,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:39:59,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-02-19 03:39:59,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:59,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:59,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:39:59,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:39:59,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:39:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:39:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:39:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:39:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:39:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:39:59,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 03:39:59,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:59,522 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:39:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:39:59,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1205606709, now seen corresponding path program 2 times [2022-02-19 03:39:59,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:39:59,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096914932] [2022-02-19 03:39:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:39:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:39:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:39:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:59,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:39:59,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096914932] [2022-02-19 03:39:59,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096914932] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:39:59,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526286312] [2022-02-19 03:39:59,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 03:39:59,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:39:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:39:59,626 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) [2022-02-19 03:39:59,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 03:39:59,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 03:39:59,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:39:59,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-19 03:39:59,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:39:59,862 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:39:59,862 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 129 [2022-02-19 03:39:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:39:59,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:40:00,207 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:40:00,207 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 39 treesize of output 202 [2022-02-19 03:40:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:02,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526286312] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:40:02,230 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:40:02,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-02-19 03:40:02,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415178328] [2022-02-19 03:40:02,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:40:02,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-19 03:40:02,231 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:40:02,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-19 03:40:02,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2022-02-19 03:40:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:02,232 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:40:02,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 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) [2022-02-19 03:40:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:02,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 03:40:02,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:02,611 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:40:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:40:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1098771542, now seen corresponding path program 3 times [2022-02-19 03:40:02,611 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:40:02,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074297722] [2022-02-19 03:40:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:40:02,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:40:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:40:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:02,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:40:02,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074297722] [2022-02-19 03:40:02,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074297722] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:40:02,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755566551] [2022-02-19 03:40:02,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 03:40:02,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:02,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:40:02,741 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) [2022-02-19 03:40:02,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 03:40:02,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-19 03:40:02,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:40:02,763 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-19 03:40:02,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:40:02,962 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:40:02,963 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2022-02-19 03:40:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:03,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:40:03,566 INFO L353 Elim1Store]: treesize reduction 20, result has 93.1 percent of original size [2022-02-19 03:40:03,567 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 21 treesize of output 300 [2022-02-19 03:40:12,617 INFO L353 Elim1Store]: treesize reduction 15, result has 91.1 percent of original size [2022-02-19 03:40:12,618 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 17 treesize of output 177 [2022-02-19 03:40:14,722 INFO L353 Elim1Store]: treesize reduction 20, result has 91.1 percent of original size [2022-02-19 03:40:14,722 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 19 treesize of output 232 [2022-02-19 03:40:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:16,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755566551] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:40:16,614 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:40:16,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2022-02-19 03:40:16,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653441237] [2022-02-19 03:40:16,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:40:16,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-19 03:40:16,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:40:16,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-19 03:40:16,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2022-02-19 03:40:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:16,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:40:16,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 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) [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:40:17,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-19 03:40:17,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:17,296 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:40:17,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:40:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash 938419154, now seen corresponding path program 4 times [2022-02-19 03:40:17,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:40:17,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081649157] [2022-02-19 03:40:17,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:40:17,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:40:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:40:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:17,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:40:17,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081649157] [2022-02-19 03:40:17,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081649157] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:40:17,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140997727] [2022-02-19 03:40:17,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 03:40:17,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:17,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:40:17,365 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) [2022-02-19 03:40:17,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 03:40:17,394 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 03:40:17,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:40:17,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 03:40:17,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:40:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:17,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:40:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:17,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140997727] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:40:17,456 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:40:17,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 10 [2022-02-19 03:40:17,457 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988204813] [2022-02-19 03:40:17,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:40:17,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 03:40:17,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:40:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 03:40:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-19 03:40:17,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:17,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:40:17,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:40:17,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:40:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 03:40:17,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 03:40:17,799 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,SelfDestructingSolverStorable7 [2022-02-19 03:40:17,800 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:40:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:40:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1802499018, now seen corresponding path program 5 times [2022-02-19 03:40:17,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:40:17,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920791294] [2022-02-19 03:40:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:40:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:40:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:40:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:17,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:40:17,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920791294] [2022-02-19 03:40:17,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920791294] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:40:17,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581680474] [2022-02-19 03:40:17,848 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 03:40:17,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:17,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:40:17,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 03:40:17,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 03:40:17,899 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-19 03:40:17,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:40:17,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 03:40:17,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:40:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:17,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:40:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:17,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581680474] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:40:17,948 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:40:17,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 10 [2022-02-19 03:40:17,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672109050] [2022-02-19 03:40:17,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:40:17,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 03:40:17,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:40:17,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 03:40:17,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-19 03:40:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:17,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:40:17,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:40:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 03:40:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:40:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:40:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:40:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:40:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:40:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:40:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 03:40:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:40:18,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 03:40:18,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:18,247 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:40:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:40:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash 782725393, now seen corresponding path program 6 times [2022-02-19 03:40:18,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:40:18,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832269648] [2022-02-19 03:40:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:40:18,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:40:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:40:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:18,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:40:18,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832269648] [2022-02-19 03:40:18,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832269648] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:40:18,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420284723] [2022-02-19 03:40:18,359 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 03:40:18,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:40:18,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:40:18,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 03:40:18,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 03:40:18,398 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-19 03:40:18,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 03:40:18,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-19 03:40:18,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:40:18,741 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:40:18,742 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 91 treesize of output 282 [2022-02-19 03:40:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:40:19,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:40:20,581 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:40:20,581 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 24 new quantified variables, introduced 78 case distinctions, treesize of input 63 treesize of output 682 [2022-02-19 03:43:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:43:30,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420284723] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:43:30,460 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:43:30,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2022-02-19 03:43:30,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843231157] [2022-02-19 03:43:30,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:43:30,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-19 03:43:30,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:43:30,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-19 03:43:30,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2022-02-19 03:43:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:43:30,462 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:43:30,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 states have internal predecessors, (44), 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) [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:43:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:43:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 03:43:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 03:43:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 03:43:30,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-19 03:43:31,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 03:43:31,114 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 03:43:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:43:31,114 INFO L85 PathProgramCache]: Analyzing trace with hash 251186098, now seen corresponding path program 7 times [2022-02-19 03:43:31,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:43:31,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329686550] [2022-02-19 03:43:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:43:31,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:43:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:43:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:43:31,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:43:31,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329686550] [2022-02-19 03:43:31,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329686550] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:43:31,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051983584] [2022-02-19 03:43:31,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 03:43:31,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:43:31,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:43:31,302 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 03:43:31,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 03:43:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:43:31,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-19 03:43:31,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:43:31,681 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 03:43:31,681 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2022-02-19 03:43:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:43:32,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:43:33,459 INFO L353 Elim1Store]: treesize reduction 35, result has 95.2 percent of original size [2022-02-19 03:43:33,459 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 31 treesize of output 745 [2022-02-19 03:51:38,427 INFO L353 Elim1Store]: treesize reduction 30, result has 95.2 percent of original size [2022-02-19 03:51:38,428 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 24 new quantified variables, introduced 78 case distinctions, treesize of input 29 treesize of output 642 Received shutdown request... [2022-02-19 03:54:21,295 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 03:54:21,297 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-19 03:54:21,332 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 [2022-02-19 03:54:21,333 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 [2022-02-19 03:54:21,333 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 03:54:21,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-19 03:54:21,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-19 03:54:21,515 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 20 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. [2022-02-19 03:54:21,517 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 03:54:21,517 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 03:54:21,522 INFO L732 BasicCegarLoop]: Path program histogram: [7, 3, 1] [2022-02-19 03:54:21,523 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 03:54:21,523 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 03:54:21,524 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:54:21 BasicIcfg [2022-02-19 03:54:21,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 03:54:21,525 INFO L158 Benchmark]: Toolchain (without parser) took 865578.97ms. Allocated memory was 174.1MB in the beginning and 846.2MB in the end (delta: 672.1MB). Free memory was 130.9MB in the beginning and 531.2MB in the end (delta: -400.2MB). Peak memory consumption was 506.9MB. Max. memory is 8.0GB. [2022-02-19 03:54:21,525 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 03:54:21,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.88ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 129.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 03:54:21,525 INFO L158 Benchmark]: Boogie Preprocessor took 16.33ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 128.4MB in the end (delta: 980.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 03:54:21,525 INFO L158 Benchmark]: RCFGBuilder took 234.98ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 117.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 03:54:21,526 INFO L158 Benchmark]: TraceAbstraction took 865302.37ms. Allocated memory was 174.1MB in the beginning and 846.2MB in the end (delta: 672.1MB). Free memory was 117.2MB in the beginning and 531.2MB in the end (delta: -413.9MB). Peak memory consumption was 493.2MB. Max. memory is 8.0GB. [2022-02-19 03:54:21,526 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 0.11ms. Allocated memory is still 174.1MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.88ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 129.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.33ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 128.4MB in the end (delta: 980.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.98ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 117.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 865302.37ms. Allocated memory was 174.1MB in the beginning and 846.2MB in the end (delta: 672.1MB). Free memory was 117.2MB in the beginning and 531.2MB in the end (delta: -413.9MB). Peak memory consumption was 493.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 518, positive: 374, positive conditional: 306, positive unconditional: 68, negative: 144, negative conditional: 144, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 374, positive: 374, positive conditional: 306, positive unconditional: 68, 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: 374, positive: 374, positive conditional: 306, positive unconditional: 68, 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: 374, positive: 374, positive conditional: 262, positive unconditional: 112, 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: 374, positive: 374, positive conditional: 248, positive unconditional: 126, 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: 374, positive: 374, positive conditional: 248, positive unconditional: 126, 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: 68, positive: 68, positive conditional: 0, positive unconditional: 68, 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: 68, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 374, positive: 306, positive conditional: 248, positive unconditional: 58, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 68, unknown conditional: 0, unknown unconditional: 68] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0, Independence queries for same thread: 144 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 10, Number of trivial persistent sets: 7, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 68, positive conditional: 0, positive unconditional: 68, 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: 518, positive: 374, positive conditional: 306, positive unconditional: 68, negative: 144, negative conditional: 144, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 374, positive: 374, positive conditional: 306, positive unconditional: 68, 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: 374, positive: 374, positive conditional: 306, positive unconditional: 68, 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: 374, positive: 374, positive conditional: 262, positive unconditional: 112, 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: 374, positive: 374, positive conditional: 248, positive unconditional: 126, 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: 374, positive: 374, positive conditional: 248, positive unconditional: 126, 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: 68, positive: 68, positive conditional: 0, positive unconditional: 68, 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: 68, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 374, positive: 306, positive conditional: 248, positive unconditional: 58, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 68, unknown conditional: 0, unknown unconditional: 68] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0, Independence queries for same thread: 144 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 20 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 56]: 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 20 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 56]: 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 20 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 865.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 210.4s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 3354 SizeOfPredicates, 30 NumberOfNonLiveVariables, 479 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 28 InterpolantComputations, 1 PerfectInterpolantSequences, 59/288 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