/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 13:58:16,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 13:58:16,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 13:58:16,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 13:58:16,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-22 13:58:16,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 13:58:16,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 13:58:16,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 13:58:16,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 13:58:16,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 13:58:16,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 13:58:16,862 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 13:58:16,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 13:58:16,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 13:58:16,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 13:58:16,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 13:58:16,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 13:58:16,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 13:58:16,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 13:58:16,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 13:58:16,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 13:58:16,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 13:58:16,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 13:58:16,866 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 13:58:16,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 13:58:16,867 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 13:58:17,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 13:58:17,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 13:58:17,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 13:58:17,086 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 13:58:17,087 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 13:58:17,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-10-22 13:58:17,088 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-10-22 13:58:17,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 13:58:17,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 13:58:17,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 13:58:17,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 13:58:17,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 13:58:17,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 13:58:17,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 13:58:17,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 13:58:17,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 13:58:17,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 13:58:17,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 13:58:17,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 13:58:17,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 13:58:17,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/1) ... [2021-10-22 13:58:17,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 13:58:17,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:58:17,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 13:58:17,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 13:58:17,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 13:58:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 13:58:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 13:58:17,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 13:58:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 13:58:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 13:58:17,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 13:58:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 13:58:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 13:58:17,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 13:58:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 13:58:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 13:58:17,211 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 13:58:17,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 13:58:17,433 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-22 13:58:17,434 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:58:17 BoogieIcfgContainer [2021-10-22 13:58:17,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 13:58:17,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 13:58:17,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 13:58:17,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 13:58:17,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:58:17" (1/2) ... [2021-10-22 13:58:17,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3573dc and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:58:17, skipping insertion in model container [2021-10-22 13:58:17,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:58:17" (2/2) ... [2021-10-22 13:58:17,450 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-10-22 13:58:17,461 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 13:58:17,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 13:58:17,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 13:58:17,461 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 13:58:17,507 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 13:58:17,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 13:58:17,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:58:17,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 13:58:17,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 13:58:17,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 13:58:17,605 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 13:58:17,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-22 13:58:17,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 13:58:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:58:17,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1290785719, now seen corresponding path program 1 times [2021-10-22 13:58:17,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:58:17,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090401152] [2021-10-22 13:58:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:58:17,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:58:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:58:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-22 13:58:17,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:58:17,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090401152] [2021-10-22 13:58:17,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090401152] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:17,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544257345] [2021-10-22 13:58:17,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:58:17,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:17,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:58:17,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 13:58:18,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 13:58:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:58:18,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 13:58:18,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 13:58:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-22 13:58:18,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544257345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:58:18,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 13:58:18,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-22 13:58:18,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587688810] [2021-10-22 13:58:18,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 13:58:18,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:58:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 13:58:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-22 13:58:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:18,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:58:18,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 13:58:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:18,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 13:58:18,588 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,SelfDestructingSolverStorable0 [2021-10-22 13:58:18,589 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 13:58:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:58:18,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1642420929, now seen corresponding path program 2 times [2021-10-22 13:58:18,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:58:18,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828964650] [2021-10-22 13:58:18,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:58:18,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:58:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:58:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 13:58:18,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:58:18,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828964650] [2021-10-22 13:58:18,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828964650] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:18,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669376539] [2021-10-22 13:58:18,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 13:58:18,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:18,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:58:18,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 13:58:18,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 13:58:18,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 13:58:18,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 13:58:18,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-22 13:58:18,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 13:58:18,793 INFO L388 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 [2021-10-22 13:58:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 13:58:18,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669376539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:18,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 13:58:18,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 13:58:18,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563090156] [2021-10-22 13:58:18,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-22 13:58:18,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:58:18,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-22 13:58:18,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-22 13:58:18,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:18,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:58:18,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 13:58:18,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:18,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 13:58:19,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-22 13:58:19,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:19,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 13:58:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:58:19,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1004064518, now seen corresponding path program 3 times [2021-10-22 13:58:19,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:58:19,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494533674] [2021-10-22 13:58:19,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:58:19,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:58:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:58:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 21 proven. 142 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 13:58:20,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:58:20,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494533674] [2021-10-22 13:58:20,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494533674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:20,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946753603] [2021-10-22 13:58:20,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 13:58:20,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:58:20,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 13:58:20,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 13:58:20,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-22 13:58:20,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 13:58:20,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-22 13:58:20,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 13:58:22,867 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-22 13:58:22,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 142 [2021-10-22 13:58:23,556 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-10-22 13:58:23,556 INFO L388 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 16 [2021-10-22 13:58:23,692 INFO L388 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 [2021-10-22 13:58:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 23 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 13:58:23,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946753603] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:23,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 13:58:23,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23] total 49 [2021-10-22 13:58:23,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114568088] [2021-10-22 13:58:23,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-10-22 13:58:23,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:58:23,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-10-22 13:58:23,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=2141, Unknown=0, NotChecked=0, Total=2450 [2021-10-22 13:58:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:23,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:58:23,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.98) internal successors, (149), 49 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 13:58:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 13:58:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 13:58:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 13:58:26,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 13:58:26,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:26,203 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 13:58:26,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:58:26,203 INFO L82 PathProgramCache]: Analyzing trace with hash 760742358, now seen corresponding path program 4 times [2021-10-22 13:58:26,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:58:26,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229825096] [2021-10-22 13:58:26,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:58:26,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:58:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:58:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 139 proven. 307 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-22 13:58:27,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:58:27,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229825096] [2021-10-22 13:58:27,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229825096] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:27,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931661871] [2021-10-22 13:58:27,284 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 13:58:27,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:27,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:58:27,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 13:58:27,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 13:58:27,587 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 13:58:27,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 13:58:27,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-22 13:58:27,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 13:58:33,845 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-22 13:58:33,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 248 treesize of output 234 [2021-10-22 13:58:35,030 INFO L354 Elim1Store]: treesize reduction 520, result has 0.6 percent of original size [2021-10-22 13:58:35,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 260 treesize of output 153 [2021-10-22 13:58:35,298 INFO L388 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 15 treesize of output 7 [2021-10-22 13:58:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 142 proven. 304 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-22 13:58:35,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931661871] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 13:58:35,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 13:58:35,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 49 [2021-10-22 13:58:35,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005827805] [2021-10-22 13:58:35,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-10-22 13:58:35,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:58:35,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-10-22 13:58:35,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=2155, Unknown=0, NotChecked=0, Total=2450 [2021-10-22 13:58:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:35,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:58:35,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.62) internal successors, (181), 49 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 13:58:35,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:35,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 13:58:35,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 13:58:35,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:58:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 13:58:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 13:58:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 13:58:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-22 13:58:38,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-22 13:58:38,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 13:58:38,815 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 13:58:38,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:58:38,816 INFO L82 PathProgramCache]: Analyzing trace with hash -356105125, now seen corresponding path program 5 times [2021-10-22 13:58:38,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:58:38,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197845367] [2021-10-22 13:58:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:58:38,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:58:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-22 14:12:59,037 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 14:12:59,037 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 14:12:59,076 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 14:12:59,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 14:12:59,077 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-2-6-2-4-2-4-1 context. [2021-10-22 14:12:59,078 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 14:12:59,079 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 14:12:59,079 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 14:12:59,094 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 14:12:59,094 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 14:12:59,096 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:12:59 BasicIcfg [2021-10-22 14:12:59,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 14:12:59,097 INFO L168 Benchmark]: Toolchain (without parser) took 881989.36 ms. Allocated memory was 189.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 155.1 MB in the beginning and 685.6 MB in the end (delta: -530.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-10-22 14:12:59,097 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 189.8 MB. Free memory is still 156.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 14:12:59,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.36 ms. Allocated memory is still 189.8 MB. Free memory was 155.1 MB in the beginning and 153.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 14:12:59,098 INFO L168 Benchmark]: Boogie Preprocessor took 25.72 ms. Allocated memory is still 189.8 MB. Free memory was 153.6 MB in the beginning and 152.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:12:59,098 INFO L168 Benchmark]: RCFGBuilder took 280.36 ms. Allocated memory is still 189.8 MB. Free memory was 152.6 MB in the beginning and 133.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-10-22 14:12:59,098 INFO L168 Benchmark]: TraceAbstraction took 881660.39 ms. Allocated memory was 189.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 132.5 MB in the beginning and 685.6 MB in the end (delta: -553.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-10-22 14:12:59,099 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 0.08 ms. Allocated memory is still 189.8 MB. Free memory is still 156.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.36 ms. Allocated memory is still 189.8 MB. Free memory was 155.1 MB in the beginning and 153.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.72 ms. Allocated memory is still 189.8 MB. Free memory was 153.6 MB in the beginning and 152.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 280.36 ms. Allocated memory is still 189.8 MB. Free memory was 152.6 MB in the beginning and 133.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 881660.39 ms. Allocated memory was 189.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 132.5 MB in the beginning and 685.6 MB in the end (delta: -553.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2713, positive: 2367, positive conditional: 1699, positive unconditional: 668, negative: 346, negative conditional: 342, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2411, positive: 2367, positive conditional: 0, positive unconditional: 2367, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 504, positive: 500, positive conditional: 0, positive unconditional: 500, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 504, positive: 496, positive conditional: 0, positive unconditional: 496, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2411, positive: 1867, positive conditional: 0, positive unconditional: 1867, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 504, unknown conditional: 0, unknown unconditional: 504] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 500, Positive conditional cache size: 0, Positive unconditional cache size: 500, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 302 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 115, Number of persistent set computation: 117, Number of trivial persistent sets: 46, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2713, positive: 2367, positive conditional: 1699, positive unconditional: 668, negative: 346, negative conditional: 342, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2411, positive: 2367, positive conditional: 0, positive unconditional: 2367, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 504, positive: 500, positive conditional: 0, positive unconditional: 500, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 504, positive: 496, positive conditional: 0, positive unconditional: 496, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2411, positive: 1867, positive conditional: 0, positive unconditional: 1867, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 504, unknown conditional: 0, unknown unconditional: 504] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 500, Positive conditional cache size: 0, Positive unconditional cache size: 500, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 302 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-2-6-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 95]: 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 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-2-6-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 95]: 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 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-2-6-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 96]: 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 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-2-6-2-4-2-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 881542.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 5757.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 58.0ms SsaConstructionTime, 490.3ms SatisfiabilityAnalysisTime, 13524.3ms InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 14266 SizeOfPredicates, 32 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 449/1370 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