/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 09:12:14,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 09:12:14,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 09:12:14,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 09:12:14,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-08-23 09:12:14,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 09:12:14,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 09:12:14,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 09:12:14,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 09:12:14,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 09:12:14,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 09:12:14,872 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 09:12:14,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 09:12:14,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 09:12:14,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 09:12:14,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 09:12:14,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 09:12:14,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 09:12:14,876 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 09:12:15,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 09:12:15,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 09:12:15,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 09:12:15,117 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 09:12:15,118 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 09:12:15,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2021-08-23 09:12:15,121 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2021-08-23 09:12:15,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 09:12:15,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 09:12:15,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 09:12:15,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 09:12:15,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 09:12:15,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 09:12:15,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 09:12:15,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 09:12:15,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 09:12:15,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 09:12:15,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 09:12:15,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 09:12:15,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 09:12:15,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/1) ... [2021-08-23 09:12:15,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 09:12:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:15,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-23 09:12:15,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-23 09:12:15,243 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 09:12:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 09:12:15,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 09:12:15,243 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 09:12:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 09:12:15,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 09:12:15,243 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 09:12:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 09:12:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 09:12:15,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 09:12:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 09:12:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 09:12:15,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-23 09:12:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-23 09:12:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-23 09:12:15,246 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 09:12:15,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 09:12:15,417 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 09:12:15,418 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 09:12:15 BoogieIcfgContainer [2021-08-23 09:12:15,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 09:12:15,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 09:12:15,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 09:12:15,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 09:12:15,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 09:12:15" (1/2) ... [2021-08-23 09:12:15,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61834f41 and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 09:12:15, skipping insertion in model container [2021-08-23 09:12:15,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 09:12:15" (2/2) ... [2021-08-23 09:12:15,423 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2021-08-23 09:12:15,425 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 09:12:15,426 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 09:12:15,426 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 09:12:15,426 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 09:12:15,472 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-23 09:12:15,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 09:12:15,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:15,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 09:12:15,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-23 09:12:15,546 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 09:12:15,550 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-23 09:12:15,550 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-23 09:12:15,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:15,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:15,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1003102965, now seen corresponding path program 1 times [2021-08-23 09:12:15,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:15,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399415129] [2021-08-23 09:12:15,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:15,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:15,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:15,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399415129] [2021-08-23 09:12:15,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399415129] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 09:12:15,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 09:12:15,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 09:12:15,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977382786] [2021-08-23 09:12:15,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 09:12:15,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:15,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 09:12:15,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 09:12:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:15,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:15,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:15,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:15,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 09:12:15,891 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:15,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:15,894 INFO L82 PathProgramCache]: Analyzing trace with hash 326535620, now seen corresponding path program 1 times [2021-08-23 09:12:15,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:15,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970000535] [2021-08-23 09:12:15,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:15,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:15,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:15,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970000535] [2021-08-23 09:12:15,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970000535] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 09:12:15,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 09:12:15,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 09:12:15,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432833162] [2021-08-23 09:12:15,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 09:12:15,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:15,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 09:12:15,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-23 09:12:15,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:15,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:15,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:15,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:15,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:15,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 09:12:15,997 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:15,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:15,997 INFO L82 PathProgramCache]: Analyzing trace with hash -26437969, now seen corresponding path program 1 times [2021-08-23 09:12:15,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:15,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531296373] [2021-08-23 09:12:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:15,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:16,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:16,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531296373] [2021-08-23 09:12:16,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531296373] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:16,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079701520] [2021-08-23 09:12:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:16,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:16,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:16,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:16,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 09:12:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:16,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-23 09:12:16,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:16,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079701520] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:16,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:16,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-08-23 09:12:16,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490746965] [2021-08-23 09:12:16,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 09:12:16,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:16,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 09:12:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-23 09:12:16,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:16,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:16,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:16,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:16,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-23 09:12:16,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-08-23 09:12:16,527 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:16,527 INFO L82 PathProgramCache]: Analyzing trace with hash 2044968352, now seen corresponding path program 1 times [2021-08-23 09:12:16,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:16,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909308812] [2021-08-23 09:12:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:16,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:16,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:16,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909308812] [2021-08-23 09:12:16,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909308812] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:16,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219507562] [2021-08-23 09:12:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:16,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:16,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:16,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:16,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 09:12:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:16,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-23 09:12:16,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:17,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219507562] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:17,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:17,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-08-23 09:12:17,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040749595] [2021-08-23 09:12:17,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-23 09:12:17,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:17,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-23 09:12:17,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-23 09:12:17,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:17,182 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:17,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:17,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 09:12:17,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:17,477 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:17,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:17,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1117391321, now seen corresponding path program 2 times [2021-08-23 09:12:17,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:17,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686603422] [2021-08-23 09:12:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:17,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:17,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:17,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686603422] [2021-08-23 09:12:17,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686603422] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:17,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343562636] [2021-08-23 09:12:17,546 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 09:12:17,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:17,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:17,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:17,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 09:12:17,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 09:12:17,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 09:12:17,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-23 09:12:17,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:17,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343562636] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:17,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:17,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-08-23 09:12:17,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306141692] [2021-08-23 09:12:17,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 09:12:17,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:17,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 09:12:17,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-23 09:12:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:17,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:17,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:17,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:17,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:17,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:17,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:17,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:17,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 09:12:18,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:18,153 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:18,153 INFO L82 PathProgramCache]: Analyzing trace with hash -135680956, now seen corresponding path program 3 times [2021-08-23 09:12:18,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:18,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172606972] [2021-08-23 09:12:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:18,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:18,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:18,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172606972] [2021-08-23 09:12:18,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172606972] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:18,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388780440] [2021-08-23 09:12:18,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 09:12:18,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:18,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:18,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:18,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 09:12:18,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-23 09:12:18,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 09:12:18,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-23 09:12:18,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:18,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388780440] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:18,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:18,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-08-23 09:12:18,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014088937] [2021-08-23 09:12:18,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 09:12:18,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:18,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 09:12:18,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-23 09:12:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:18,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:18,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:18,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:18,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:18,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:18,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:18,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:18,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:18,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 09:12:18,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:18,861 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:18,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:18,861 INFO L82 PathProgramCache]: Analyzing trace with hash 834393347, now seen corresponding path program 4 times [2021-08-23 09:12:18,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:18,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892385015] [2021-08-23 09:12:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:18,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:18,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:18,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892385015] [2021-08-23 09:12:18,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892385015] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:18,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727857801] [2021-08-23 09:12:18,980 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 09:12:18,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:18,981 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:19,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 09:12:19,104 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 09:12:19,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 09:12:19,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-23 09:12:19,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:19,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727857801] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:19,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:19,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 10 [2021-08-23 09:12:19,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262228236] [2021-08-23 09:12:19,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 09:12:19,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 09:12:19,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-08-23 09:12:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:19,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:19,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:19,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-08-23 09:12:20,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:20,035 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:20,036 INFO L82 PathProgramCache]: Analyzing trace with hash -516980764, now seen corresponding path program 5 times [2021-08-23 09:12:20,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:20,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164189642] [2021-08-23 09:12:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:20,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:20,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:20,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164189642] [2021-08-23 09:12:20,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164189642] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:20,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459264148] [2021-08-23 09:12:20,139 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 09:12:20,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:20,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:20,145 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:20,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 09:12:20,299 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-23 09:12:20,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 09:12:20,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-23 09:12:20,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:20,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459264148] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:20,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:20,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-08-23 09:12:20,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397355047] [2021-08-23 09:12:20,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-23 09:12:20,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:20,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-23 09:12:20,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-08-23 09:12:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:20,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:20,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:20,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:20,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:20,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:20,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:20,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 09:12:20,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 09:12:21,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:21,022 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:21,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:21,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1184184487, now seen corresponding path program 6 times [2021-08-23 09:12:21,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:21,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458328030] [2021-08-23 09:12:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:21,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:21,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:21,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458328030] [2021-08-23 09:12:21,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458328030] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:21,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444502116] [2021-08-23 09:12:21,111 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 09:12:21,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:21,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:21,112 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:21,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 09:12:21,249 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-23 09:12:21,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 09:12:21,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-23 09:12:21,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 09:12:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:21,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444502116] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:21,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 09:12:21,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-08-23 09:12:21,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968120016] [2021-08-23 09:12:21,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-23 09:12:21,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 09:12:21,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-23 09:12:21,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-08-23 09:12:21,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:21,484 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 09:12:21,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 09:12:21,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 09:12:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 09:12:21,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 09:12:22,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-23 09:12:22,113 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 09:12:22,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 09:12:22,114 INFO L82 PathProgramCache]: Analyzing trace with hash 520210880, now seen corresponding path program 7 times [2021-08-23 09:12:22,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 09:12:22,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251589358] [2021-08-23 09:12:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 09:12:22,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 09:12:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 09:12:22,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 09:12:22,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251589358] [2021-08-23 09:12:22,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251589358] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 09:12:22,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131806994] [2021-08-23 09:12:22,264 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 09:12:22,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 09:12:22,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 09:12:22,264 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 09:12:22,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-23 09:12:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 09:12:22,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-23 09:12:22,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-08-23 09:27:01,815 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 [2021-08-23 09:27:01,836 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 09:27:01,836 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 09:27:02,512 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 09:27:02,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-23 09:27:02,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-23 09:27:02,713 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 38 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1101-1 term,while PolyPacSimplificationTermWalker was simplifying 1101 xjuncts wrt. a ATOM-1 context. [2021-08-23 09:27:02,715 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 09:27:02,715 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 09:27:02,715 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 09:27:02,715 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 09:27:02,725 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 09:27:02,725 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 09:27:02,727 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 09:27:02 BasicIcfg [2021-08-23 09:27:02,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 09:27:02,728 INFO L168 Benchmark]: Toolchain (without parser) took 887588.61 ms. Allocated memory was 195.0 MB in the beginning and 607.1 MB in the end (delta: 412.1 MB). Free memory was 175.8 MB in the beginning and 270.9 MB in the end (delta: -95.0 MB). Peak memory consumption was 403.2 MB. Max. memory is 8.0 GB. [2021-08-23 09:27:02,728 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory is still 176.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 09:27:02,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.32 ms. Allocated memory is still 195.0 MB. Free memory was 175.8 MB in the beginning and 174.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 09:27:02,728 INFO L168 Benchmark]: Boogie Preprocessor took 17.93 ms. Allocated memory is still 195.0 MB. Free memory was 174.4 MB in the beginning and 173.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 09:27:02,729 INFO L168 Benchmark]: RCFGBuilder took 237.22 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 161.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-23 09:27:02,729 INFO L168 Benchmark]: TraceAbstraction took 887307.84 ms. Allocated memory was 195.0 MB in the beginning and 607.1 MB in the end (delta: 412.1 MB). Free memory was 160.4 MB in the beginning and 270.9 MB in the end (delta: -110.4 MB). Peak memory consumption was 387.5 MB. Max. memory is 8.0 GB. [2021-08-23 09:27:02,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory is still 176.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.32 ms. Allocated memory is still 195.0 MB. Free memory was 175.8 MB in the beginning and 174.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.93 ms. Allocated memory is still 195.0 MB. Free memory was 174.4 MB in the beginning and 173.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 237.22 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 161.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 887307.84 ms. Allocated memory was 195.0 MB in the beginning and 607.1 MB in the end (delta: 412.1 MB). Free memory was 160.4 MB in the beginning and 270.9 MB in the end (delta: -110.4 MB). Peak memory consumption was 387.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1220, positive: 1134, positive conditional: 553, positive unconditional: 581, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1134, positive: 1134, positive conditional: 553, positive unconditional: 581, 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: 1134, positive: 1134, positive conditional: 553, positive unconditional: 581, 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: 1134, positive: 1134, positive conditional: 504, positive unconditional: 630, 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: 1134, positive: 1134, positive conditional: 280, positive unconditional: 854, 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: 1134, positive: 1134, positive conditional: 280, positive unconditional: 854, 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: 583, positive: 583, positive conditional: 23, positive unconditional: 560, 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: 583, positive: 583, positive conditional: 0, positive unconditional: 583, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1134, positive: 551, positive conditional: 257, positive unconditional: 294, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 583, unknown conditional: 23, unknown unconditional: 560] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 583, Positive conditional cache size: 23, Positive unconditional cache size: 560, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 224, Maximal queried relation: 0, Independence queries for same thread: 86 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 58, Number of persistent set computation: 49, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 581, positive: 581, positive conditional: 0, positive unconditional: 581, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1220, positive: 1134, positive conditional: 553, positive unconditional: 581, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1134, positive: 1134, positive conditional: 553, positive unconditional: 581, 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: 1134, positive: 1134, positive conditional: 553, positive unconditional: 581, 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: 1134, positive: 1134, positive conditional: 504, positive unconditional: 630, 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: 1134, positive: 1134, positive conditional: 280, positive unconditional: 854, 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: 1134, positive: 1134, positive conditional: 280, positive unconditional: 854, 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: 583, positive: 583, positive conditional: 23, positive unconditional: 560, 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: 583, positive: 583, positive conditional: 0, positive unconditional: 583, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1134, positive: 551, positive conditional: 257, positive unconditional: 294, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 583, unknown conditional: 23, unknown unconditional: 560] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 583, Positive conditional cache size: 23, Positive unconditional cache size: 560, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 224, Maximal queried relation: 0, Independence queries for same thread: 86 - 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 38 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1101-1 term,while PolyPacSimplificationTermWalker was simplifying 1101 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 38 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1101-1 term,while PolyPacSimplificationTermWalker was simplifying 1101 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 55]: 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 38 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1101-1 term,while PolyPacSimplificationTermWalker was simplifying 1101 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 55]: 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 38 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1101-1 term,while PolyPacSimplificationTermWalker was simplifying 1101 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 57]: 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 38 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1101-1 term,while PolyPacSimplificationTermWalker was simplifying 1101 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 58 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 887216.0ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.9ms, PartialOrderReductionTime: 1537.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 92, 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: 49.7ms SsaConstructionTime, 154.0ms SatisfiabilityAnalysisTime, 2595.6ms InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 429 ConstructedInterpolants, 0 QuantifiedInterpolants, 3118 SizeOfPredicates, 21 NumberOfNonLiveVariables, 521 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 23/119 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