/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 23:02:32,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 23:02:32,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 23:02:32,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 23:02:32,478 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-NewStatesSleep-NoLbe.epf [2022-02-18 23:02:32,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 23:02:32,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 23:02:32,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 23:02:32,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 23:02:32,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 23:02:32,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 23:02:32,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 23:02:32,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 23:02:32,516 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 23:02:32,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 23:02:32,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 23:02:32,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 23:02:32,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 23:02:32,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 23:02:32,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 23:02:32,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 23:02:32,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 23:02:32,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 23:02:32,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 23:02:32,518 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 23:02:32,519 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 23:02:32,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 23:02:32,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 23:02:32,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 23:02:32,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 23:02:32,749 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-18 23:02:32,750 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-18 23:02:32,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2022-02-18 23:02:32,751 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2022-02-18 23:02:32,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 23:02:32,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-18 23:02:32,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 23:02:32,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 23:02:32,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 23:02:32,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,795 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-18 23:02:32,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 23:02:32,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 23:02:32,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 23:02:32,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 23:02:32,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 23:02:32,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 23:02:32,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 23:02:32,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 23:02:32,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/1) ... [2022-02-18 23:02:32,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 23:02:32,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:32,844 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) [2022-02-18 23:02:32,855 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 [2022-02-18 23:02:32,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-18 23:02:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 23:02:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 23:02:32,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-18 23:02:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 23:02:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 23:02:32,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-18 23:02:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 23:02:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 23:02:32,879 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 23:02:32,923 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 23:02:32,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 23:02:33,029 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 23:02:33,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 23:02:33,048 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 23:02:33,050 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:02:33 BoogieIcfgContainer [2022-02-18 23:02:33,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 23:02:33,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 23:02:33,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 23:02:33,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 23:02:33,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:02:32" (1/2) ... [2022-02-18 23:02:33,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c645f and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 11:02:33, skipping insertion in model container [2022-02-18 23:02:33,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:02:33" (2/2) ... [2022-02-18 23:02:33,058 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2022-02-18 23:02:33,066 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 23:02:33,066 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 23:02:33,066 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 23:02:33,066 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 23:02:33,122 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-18 23:02:33,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 23:02:33,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:33,176 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) [2022-02-18 23:02:33,178 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 [2022-02-18 23:02:33,216 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 23:02:33,224 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 [2022-02-18 23:02:33,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-18 23:02:33,361 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:33,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:33,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1564820196, now seen corresponding path program 1 times [2022-02-18 23:02:33,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:33,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775838522] [2022-02-18 23:02:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:33,558 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:33,558 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775838522] [2022-02-18 23:02:33,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775838522] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 23:02:33,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 23:02:33,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 23:02:33,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927322290] [2022-02-18 23:02:33,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 23:02:33,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 23:02:33,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:33,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 23:02:33,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 23:02:33,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:33,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:33,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-02-18 23:02:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:33,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 23:02:33,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:33,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash 420798694, now seen corresponding path program 1 times [2022-02-18 23:02:33,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:33,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871973631] [2022-02-18 23:02:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:33,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:33,688 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:33,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871973631] [2022-02-18 23:02:33,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871973631] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:33,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932718805] [2022-02-18 23:02:33,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:33,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:33,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:33,691 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) [2022-02-18 23:02:33,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 23:02:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:33,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-18 23:02:33,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:33,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:34,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932718805] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:34,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-18 23:02:34,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2022-02-18 23:02:34,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306543287] [2022-02-18 23:02:34,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 23:02:34,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 23:02:34,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:34,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 23:02:34,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 23:02:34,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:34,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:34,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-02-18 23:02:34,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:34,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:34,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:34,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 23:02:34,367 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 [2022-02-18 23:02:34,368 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:34,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2119769832, now seen corresponding path program 1 times [2022-02-18 23:02:34,369 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:34,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685179730] [2022-02-18 23:02:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:34,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:34,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685179730] [2022-02-18 23:02:34,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685179730] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:34,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475363358] [2022-02-18 23:02:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:34,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:34,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:34,537 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) [2022-02-18 23:02:34,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 23:02:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:34,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 23:02:34,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:34,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:34,890 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-18 23:02:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:34,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:35,010 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:02:35,015 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2022-02-18 23:02:35,044 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-18 23:02:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:35,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475363358] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:02:35,118 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:02:35,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2022-02-18 23:02:35,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656565575] [2022-02-18 23:02:35,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:02:35,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 23:02:35,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:35,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 23:02:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-18 23:02:35,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:35,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:35,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-02-18 23:02:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:35,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 23:02:35,387 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 [2022-02-18 23:02:35,388 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:35,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1833298922, now seen corresponding path program 2 times [2022-02-18 23:02:35,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:35,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187862583] [2022-02-18 23:02:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:35,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:35,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187862583] [2022-02-18 23:02:35,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187862583] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:35,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693780936] [2022-02-18 23:02:35,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 23:02:35,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:35,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:35,496 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) [2022-02-18 23:02:35,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 23:02:35,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 23:02:35,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:02:35,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 23:02:35,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:35,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:35,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693780936] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:02:35,750 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:02:35,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2022-02-18 23:02:35,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883633419] [2022-02-18 23:02:35,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:02:35,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-18 23:02:35,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:35,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-18 23:02:35,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-02-18 23:02:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:35,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:35,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:02:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:35,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:35,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 23:02:36,159 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 [2022-02-18 23:02:36,160 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:36,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:36,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1972143892, now seen corresponding path program 3 times [2022-02-18 23:02:36,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:36,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707198377] [2022-02-18 23:02:36,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:36,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:36,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:36,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707198377] [2022-02-18 23:02:36,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707198377] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:36,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228112575] [2022-02-18 23:02:36,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 23:02:36,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:36,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:36,314 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) [2022-02-18 23:02:36,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 23:02:36,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-18 23:02:36,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:02:36,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-18 23:02:36,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:36,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:36,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:36,698 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:02:36,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 29 [2022-02-18 23:02:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:36,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:37,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:37,215 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:02:37,216 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 63 [2022-02-18 23:02:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:37,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228112575] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:02:37,819 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:02:37,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 11] total 24 [2022-02-18 23:02:37,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112002865] [2022-02-18 23:02:37,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:02:37,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-18 23:02:37,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:37,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-18 23:02:37,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-02-18 23:02:37,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:37,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:37,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 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) [2022-02-18 23:02:37,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:37,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:37,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:37,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:37,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:02:38,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 23:02:38,398 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 [2022-02-18 23:02:38,399 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:38,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:38,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2043814770, now seen corresponding path program 4 times [2022-02-18 23:02:38,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:38,399 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44945679] [2022-02-18 23:02:38,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:38,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:38,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44945679] [2022-02-18 23:02:38,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44945679] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:38,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330165207] [2022-02-18 23:02:38,556 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 23:02:38,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:38,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:38,560 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) [2022-02-18 23:02:38,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 23:02:38,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 23:02:38,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:02:38,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 23:02:38,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:38,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:39,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330165207] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:02:39,071 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:02:39,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2022-02-18 23:02:39,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473623564] [2022-02-18 23:02:39,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:02:39,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-18 23:02:39,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:39,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-18 23:02:39,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2022-02-18 23:02:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:39,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:39,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:02:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:39,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:02:39,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:02:39,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 23:02:39,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 23:02:39,759 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 [2022-02-18 23:02:39,760 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:39,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:39,760 INFO L85 PathProgramCache]: Analyzing trace with hash -859210630, now seen corresponding path program 5 times [2022-02-18 23:02:39,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:39,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785882547] [2022-02-18 23:02:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:39,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:39,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:39,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785882547] [2022-02-18 23:02:39,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785882547] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:39,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765226727] [2022-02-18 23:02:39,940 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 23:02:39,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:39,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:39,944 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) [2022-02-18 23:02:39,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 23:02:39,986 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-18 23:02:39,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:02:39,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-18 23:02:39,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:40,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:40,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765226727] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:02:40,540 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:02:40,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-02-18 23:02:40,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777719754] [2022-02-18 23:02:40,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:02:40,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-18 23:02:40,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:02:40,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-18 23:02:40,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2022-02-18 23:02:40,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:40,542 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:02:40,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.2) internal successors, (77), 34 states have internal predecessors, (77), 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) [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 23:02:40,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:02:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:02:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 23:02:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 23:02:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 23:02:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:02:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 23:02:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 23:02:40,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 23:02:41,187 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 [2022-02-18 23:02:41,188 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 23:02:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:02:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1683082492, now seen corresponding path program 6 times [2022-02-18 23:02:41,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:02:41,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96547672] [2022-02-18 23:02:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:02:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:02:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:02:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:41,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:02:41,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96547672] [2022-02-18 23:02:41,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96547672] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:02:41,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162381431] [2022-02-18 23:02:41,877 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 23:02:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:02:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:02:41,879 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) [2022-02-18 23:02:41,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 23:02:41,926 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-18 23:02:41,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:02:41,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 55 conjunts are in the unsatisfiable core [2022-02-18 23:02:41,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:02:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:43,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:43,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:02:43,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:43,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:02:43,822 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:02:43,823 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 10 disjoint index pairs (out of 66 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 115 [2022-02-18 23:02:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:02:45,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:02:49,823 INFO L353 Elim1Store]: treesize reduction 264, result has 62.6 percent of original size [2022-02-18 23:02:49,824 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 113 treesize of output 474 Received shutdown request... [2022-02-18 23:16:49,156 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 [2022-02-18 23:16:49,156 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 [2022-02-18 23:16:49,162 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-18 23:16:49,167 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 23:16:49,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 23:16:49,377 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 [2022-02-18 23:16:49,377 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-7-3-11-2-10-3-10-4-10-4-10-5-9-6-11-6-9-6-8-4-7-4-5-4-6-4-5-4-4-2-3-1 context. [2022-02-18 23:16:49,379 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-18 23:16:49,379 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-18 23:16:49,384 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2022-02-18 23:16:49,386 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 23:16:49,386 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 23:16:49,388 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 11:16:49 BasicIcfg [2022-02-18 23:16:49,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 23:16:49,388 INFO L158 Benchmark]: Toolchain (without parser) took 856615.60ms. Allocated memory was 169.9MB in the beginning and 728.8MB in the end (delta: 558.9MB). Free memory was 127.4MB in the beginning and 625.6MB in the end (delta: -498.3MB). Peak memory consumption was 456.3MB. Max. memory is 8.0GB. [2022-02-18 23:16:49,389 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 23:16:49,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.34ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 125.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-18 23:16:49,389 INFO L158 Benchmark]: Boogie Preprocessor took 11.35ms. Allocated memory is still 169.9MB. Free memory was 125.7MB in the beginning and 124.8MB in the end (delta: 926.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 23:16:49,390 INFO L158 Benchmark]: RCFGBuilder took 240.76ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 115.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-18 23:16:49,390 INFO L158 Benchmark]: TraceAbstraction took 856336.37ms. Allocated memory was 169.9MB in the beginning and 728.8MB in the end (delta: 558.9MB). Free memory was 115.4MB in the beginning and 625.6MB in the end (delta: -510.2MB). Peak memory consumption was 442.7MB. Max. memory is 8.0GB. [2022-02-18 23:16:49,391 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 0.12ms. Allocated memory is still 169.9MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.34ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 125.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.35ms. Allocated memory is still 169.9MB. Free memory was 125.7MB in the beginning and 124.8MB in the end (delta: 926.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 240.76ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 115.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 856336.37ms. Allocated memory was 169.9MB in the beginning and 728.8MB in the end (delta: 558.9MB). Free memory was 115.4MB in the beginning and 625.6MB in the end (delta: -510.2MB). Peak memory consumption was 442.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 429, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 131, negative conditional: 131, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298, positive: 298, positive conditional: 298, positive unconditional: 0, 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: 298, positive: 298, positive conditional: 298, positive unconditional: 0, 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: 298, positive: 298, positive conditional: 268, positive unconditional: 30, 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: 298, positive: 298, positive conditional: 244, positive unconditional: 54, 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: 298, positive: 298, positive conditional: 244, positive unconditional: 54, 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: 16, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 16, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 67, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 298, positive: 282, positive conditional: 244, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 0, Independence queries for same thread: 131 - 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: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-7-3-11-2-10-3-10-4-10-4-10-5-9-6-11-6-9-6-8-4-7-4-5-4-6-4-5-4-4-2-3-1 context. - TimeoutResultAtElement [Line: 45]: 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 39 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-7-3-11-2-10-3-10-4-10-4-10-5-9-6-11-6-9-6-8-4-7-4-5-4-6-4-5-4-4-2-3-1 context. - TimeoutResultAtElement [Line: 45]: 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 39 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-7-3-11-2-10-3-10-4-10-4-10-5-9-6-11-6-9-6-8-4-7-4-5-4-6-4-5-4-4-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 31 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 856.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 415 ConstructedInterpolants, 16 QuantifiedInterpolants, 3751 SizeOfPredicates, 43 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 172/318 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