/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 04:38:51,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 04:38:51,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 04:38:51,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 04:38:51,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 04:38:51,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 04:38:51,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 04:38:51,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-08-22 04:38:52,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 04:38:52,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 04:38:52,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 04:38:52,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 04:38:52,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 04:38:52,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 04:38:52,024 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 04:38:52,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 04:38:52,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 04:38:52,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 04:38:52,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 04:38:52,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 04:38:52,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 04:38:52,026 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 04:38:52,027 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 04:38:52,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 04:38:52,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 04:38:52,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 04:38:52,292 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 04:38:52,294 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 04:38:52,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl [2021-08-22 04:38:52,295 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl' [2021-08-22 04:38:52,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 04:38:52,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 04:38:52,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 04:38:52,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 04:38:52,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 04:38:52,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 04:38:52,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 04:38:52,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 04:38:52,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 04:38:52,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 04:38:52,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 04:38:52,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 04:38:52,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 04:38:52,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/1) ... [2021-08-22 04:38:52,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 04:38:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:38:52,390 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) [2021-08-22 04:38:52,423 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 [2021-08-22 04:38:52,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 04:38:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 04:38:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 04:38:52,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 04:38:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 04:38:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 04:38:52,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 04:38:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 04:38:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 04:38:52,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 04:38:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 04:38:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 04:38:52,440 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 04:38:52,595 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 04:38:52,596 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 04:38:52,597 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:38:52 BoogieIcfgContainer [2021-08-22 04:38:52,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 04:38:52,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 04:38:52,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 04:38:52,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 04:38:52,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:38:52" (1/2) ... [2021-08-22 04:38:52,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2d1689 and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:38:52, skipping insertion in model container [2021-08-22 04:38:52,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:38:52" (2/2) ... [2021-08-22 04:38:52,602 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2021-08-22 04:38:52,622 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 04:38:52,622 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 04:38:52,622 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 04:38:52,622 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 04:38:52,661 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 04:38:52,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 04:38:52,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:38:52,697 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) [2021-08-22 04:38:52,724 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 [2021-08-22 04:38:52,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 04:38:52,737 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 [2021-08-22 04:38:52,737 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 04:38:52,785 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:38:52,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:38:52,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1024976949, now seen corresponding path program 1 times [2021-08-22 04:38:52,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:38:52,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624762015] [2021-08-22 04:38:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:52,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:38:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 04:38:52,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:38:52,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624762015] [2021-08-22 04:38:52,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624762015] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 04:38:52,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 04:38:52,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-22 04:38:52,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33140518] [2021-08-22 04:38:52,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 04:38:52,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:38:52,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 04:38:52,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 04:38:52,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:52,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:38:52,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 04:38:52,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:53,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 04:38:53,032 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:38:53,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:38:53,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1773960792, now seen corresponding path program 1 times [2021-08-22 04:38:53,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:38:53,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359931318] [2021-08-22 04:38:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:53,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:38:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:38:53,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:38:53,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359931318] [2021-08-22 04:38:53,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359931318] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:53,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313931754] [2021-08-22 04:38:53,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:53,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:38:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:38:53,458 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) [2021-08-22 04:38:53,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 04:38:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:53,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-22 04:38:53,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:38:53,865 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-22 04:38:53,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 71 [2021-08-22 04:38:53,880 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-22 04:38:53,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 51 [2021-08-22 04:38:53,889 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-22 04:38:53,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2021-08-22 04:38:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:38:54,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313931754] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:54,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:38:54,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-08-22 04:38:54,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321006981] [2021-08-22 04:38:54,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 04:38:54,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:38:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 04:38:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-22 04:38:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:54,030 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:38:54,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-08-22 04:38:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:38:54,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 04:38:54,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-22 04:38:54,601 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:38:54,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:38:54,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1960281923, now seen corresponding path program 2 times [2021-08-22 04:38:54,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:38:54,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647260875] [2021-08-22 04:38:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:54,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:38:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:38:54,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:38:54,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647260875] [2021-08-22 04:38:54,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647260875] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:54,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192073934] [2021-08-22 04:38:54,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 04:38:54,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:38:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:38:54,697 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) [2021-08-22 04:38:54,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 04:38:54,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 04:38:54,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:38:54,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 04:38:54,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:38:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:38:54,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192073934] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:54,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:38:54,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-08-22 04:38:54,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395639038] [2021-08-22 04:38:54,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 04:38:54,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:38:54,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 04:38:54,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-08-22 04:38:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:54,941 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:38:54,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 04:38:54,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:54,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:38:54,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:38:55,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:38:55,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-22 04:38:55,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:38:55,346 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:38:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:38:55,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1704093208, now seen corresponding path program 1 times [2021-08-22 04:38:55,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:38:55,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375008841] [2021-08-22 04:38:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:55,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:38:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 04:38:55,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:38:55,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375008841] [2021-08-22 04:38:55,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375008841] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:55,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975945158] [2021-08-22 04:38:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:55,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:38:55,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:38:55,410 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) [2021-08-22 04:38:55,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 04:38:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:55,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 04:38:55,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:38:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 04:38:55,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975945158] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:55,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:38:55,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-08-22 04:38:55,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14744042] [2021-08-22 04:38:55,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 04:38:55,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:38:55,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 04:38:55,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-22 04:38:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:55,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:38:55,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 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) [2021-08-22 04:38:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:38:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:38:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:38:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:38:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:38:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:38:55,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:38:55,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 04:38:55,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:38:55,929 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:38:55,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:38:55,930 INFO L82 PathProgramCache]: Analyzing trace with hash 326338307, now seen corresponding path program 2 times [2021-08-22 04:38:55,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:38:55,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975946884] [2021-08-22 04:38:55,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:38:55,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:38:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:38:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:38:56,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:38:56,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975946884] [2021-08-22 04:38:56,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975946884] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:38:56,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292096921] [2021-08-22 04:38:56,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 04:38:56,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:38:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:38:56,309 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) [2021-08-22 04:38:56,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 04:38:56,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 04:38:56,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:38:56,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-22 04:38:56,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:39:00,251 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-22 04:39:00,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 44 [2021-08-22 04:39:00,270 INFO L354 Elim1Store]: treesize reduction 25, result has 44.4 percent of original size [2021-08-22 04:39:00,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 36 [2021-08-22 04:39:00,281 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-22 04:39:00,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2021-08-22 04:39:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:39:00,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292096921] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:00,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:39:00,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2021-08-22 04:39:00,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921713018] [2021-08-22 04:39:00,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-22 04:39:00,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:39:00,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-22 04:39:00,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=468, Unknown=4, NotChecked=0, Total=552 [2021-08-22 04:39:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:00,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:39:00,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 24 states have internal predecessors, (53), 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) [2021-08-22 04:39:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 04:39:14,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 04:39:14,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:39:14,640 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:39:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:39:14,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1407795192, now seen corresponding path program 3 times [2021-08-22 04:39:14,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:39:14,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050766654] [2021-08-22 04:39:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:39:14,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:39:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:39:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:39:14,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:39:14,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050766654] [2021-08-22 04:39:14,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050766654] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:14,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161709652] [2021-08-22 04:39:14,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 04:39:14,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:39:14,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:39:14,742 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) [2021-08-22 04:39:14,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 04:39:14,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-22 04:39:14,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:39:14,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-22 04:39:14,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:39:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:39:15,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161709652] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:15,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:39:15,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-08-22 04:39:15,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865693886] [2021-08-22 04:39:15,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 04:39:15,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:39:15,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 04:39:15,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-08-22 04:39:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:15,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:39:15,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 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) [2021-08-22 04:39:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 04:39:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:39:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:39:16,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 04:39:16,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:39:16,405 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:39:16,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:39:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1623560381, now seen corresponding path program 4 times [2021-08-22 04:39:16,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:39:16,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381388734] [2021-08-22 04:39:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:39:16,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:39:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:39:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 04:39:16,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:39:16,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381388734] [2021-08-22 04:39:16,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381388734] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:16,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973891722] [2021-08-22 04:39:16,468 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 04:39:16,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:39:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:39:16,469 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) [2021-08-22 04:39:16,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 04:39:16,642 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 04:39:16,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:39:16,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 04:39:16,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:39:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 04:39:16,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973891722] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:16,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:39:16,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-08-22 04:39:16,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500356627] [2021-08-22 04:39:16,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 04:39:16,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:39:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 04:39:16,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-22 04:39:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:16,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:39:16,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 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) [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:39:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:39:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:39:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:39:16,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 04:39:17,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:39:17,133 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:39:17,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:39:17,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1406931000, now seen corresponding path program 5 times [2021-08-22 04:39:17,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:39:17,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823956682] [2021-08-22 04:39:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:39:17,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:39:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:39:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:39:17,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:39:17,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823956682] [2021-08-22 04:39:17,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823956682] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:17,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945377104] [2021-08-22 04:39:17,680 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 04:39:17,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:39:17,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:39:17,682 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) [2021-08-22 04:39:17,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 04:39:17,842 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-22 04:39:17,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:39:17,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-22 04:39:17,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:39:27,310 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-08-22 04:39:27,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 58 [2021-08-22 04:39:27,346 INFO L354 Elim1Store]: treesize reduction 41, result has 55.9 percent of original size [2021-08-22 04:39:27,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 70 [2021-08-22 04:39:27,357 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-08-22 04:39:27,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 63 [2021-08-22 04:39:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:39:27,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945377104] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:39:27,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:39:27,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 32 [2021-08-22 04:39:27,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313248871] [2021-08-22 04:39:27,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-22 04:39:27,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:39:27,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-22 04:39:27,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=873, Unknown=6, NotChecked=0, Total=992 [2021-08-22 04:39:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:39:27,425 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:39:27,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.03125) internal successors, (65), 32 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 04:39:27,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:39:27,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:39:27,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:39:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:39:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:39:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:39:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:39:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:40:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:40:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:40:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:40:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:40:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:40:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:40:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:40:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 04:40:04,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 04:40:04,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-22 04:40:04,656 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:40:04,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:40:04,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1158079779, now seen corresponding path program 6 times [2021-08-22 04:40:04,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:40:04,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947516122] [2021-08-22 04:40:04,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:40:04,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:40:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:40:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:40:04,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:40:04,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947516122] [2021-08-22 04:40:04,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947516122] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:40:04,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151639523] [2021-08-22 04:40:04,751 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 04:40:04,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:40:04,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:40:04,752 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) [2021-08-22 04:40:04,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 04:40:04,975 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-22 04:40:04,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:40:04,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 04:40:04,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:40:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:40:05,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151639523] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:40:05,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:40:05,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2021-08-22 04:40:05,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512666048] [2021-08-22 04:40:05,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-22 04:40:05,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:40:05,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-22 04:40:05,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-08-22 04:40:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:40:05,205 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:40:05,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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) [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:40:05,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 04:40:05,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-22 04:40:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-22 04:40:08,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 04:40:08,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:40:08,434 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:40:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:40:08,435 INFO L82 PathProgramCache]: Analyzing trace with hash 954287331, now seen corresponding path program 7 times [2021-08-22 04:40:08,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:40:08,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433324599] [2021-08-22 04:40:08,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:40:08,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:40:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:40:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:40:09,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:40:09,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433324599] [2021-08-22 04:40:09,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433324599] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:40:09,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090962311] [2021-08-22 04:40:09,116 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 04:40:09,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:40:09,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:40:09,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 04:40:09,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 04:40:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:40:09,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-22 04:40:09,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:40:25,751 INFO L354 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2021-08-22 04:40:25,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 72 [2021-08-22 04:40:25,821 INFO L354 Elim1Store]: treesize reduction 57, result has 63.7 percent of original size [2021-08-22 04:40:25,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 120 [2021-08-22 04:40:25,834 INFO L354 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2021-08-22 04:40:25,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 151 treesize of output 130 [2021-08-22 04:40:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:40:25,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090962311] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:40:25,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:40:25,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 40 [2021-08-22 04:40:25,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206017442] [2021-08-22 04:40:25,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-08-22 04:40:25,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:40:25,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-08-22 04:40:25,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1403, Unknown=8, NotChecked=0, Total=1560 [2021-08-22 04:40:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:40:25,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:40:25,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-22 04:40:25,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:41:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-22 04:41:29,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-22 04:41:29,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 04:41:29,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-22 04:41:29,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-22 04:41:29,269 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:41:29,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:41:29,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1239004712, now seen corresponding path program 8 times [2021-08-22 04:41:29,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:41:29,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628915565] [2021-08-22 04:41:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:41:29,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:41:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:41:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:41:29,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:41:29,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628915565] [2021-08-22 04:41:29,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628915565] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:41:29,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616206220] [2021-08-22 04:41:29,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 04:41:29,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:41:29,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:41:29,364 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 04:41:29,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 04:41:29,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 04:41:29,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:41:29,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-22 04:41:29,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:41:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:41:29,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616206220] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:41:29,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 04:41:29,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2021-08-22 04:41:29,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396205677] [2021-08-22 04:41:29,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 04:41:29,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 04:41:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 04:41:29,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-08-22 04:41:29,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:41:29,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 04:41:29,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 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) [2021-08-22 04:41:29,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:41:29,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:41:29,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 04:41:29,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 04:41:32,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 04:41:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 04:41:32,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-22 04:41:32,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-22 04:41:32,357 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 04:41:32,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 04:41:32,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1898101272, now seen corresponding path program 9 times [2021-08-22 04:41:32,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 04:41:32,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919294609] [2021-08-22 04:41:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 04:41:32,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 04:41:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 04:41:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 5 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 04:41:33,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 04:41:33,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919294609] [2021-08-22 04:41:33,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919294609] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 04:41:33,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926763043] [2021-08-22 04:41:33,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 04:41:33,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 04:41:33,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 04:41:33,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 04:41:33,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 04:41:33,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-22 04:41:33,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 04:41:33,532 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 52 conjunts are in the unsatisfiable core [2021-08-22 04:41:33,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 04:42:05,871 INFO L354 Elim1Store]: treesize reduction 108, result has 32.1 percent of original size [2021-08-22 04:42:05,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 119 treesize of output 147 [2021-08-22 04:42:06,073 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-22 04:42:06,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 147 treesize of output 547 [2021-08-22 04:42:06,168 INFO L354 Elim1Store]: treesize reduction 108, result has 32.1 percent of original size [2021-08-22 04:42:06,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 713 treesize of output 637 Received shutdown request... [2021-08-22 04:52:39,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 04:52:39,505 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 04:52:39,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 04:52:39,531 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 [2021-08-22 04:52:39,531 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 [2021-08-22 04:52:39,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-22 04:52:39,706 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 49 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2021-08-22 04:52:39,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 04:52:39,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 04:52:39,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 04:52:39,712 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 04:52:39,712 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 04:52:39,714 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:52:39 BasicIcfg [2021-08-22 04:52:39,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 04:52:39,714 INFO L168 Benchmark]: Toolchain (without parser) took 827392.40 ms. Allocated memory was 187.7 MB in the beginning and 325.1 MB in the end (delta: 137.4 MB). Free memory was 167.2 MB in the beginning and 259.3 MB in the end (delta: -92.1 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. [2021-08-22 04:52:39,714 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 187.7 MB. Free memory was 168.3 MB in the beginning and 168.2 MB in the end (delta: 83.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 04:52:39,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 187.7 MB. Free memory was 167.1 MB in the beginning and 165.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 04:52:39,715 INFO L168 Benchmark]: Boogie Preprocessor took 19.87 ms. Allocated memory is still 187.7 MB. Free memory was 165.6 MB in the beginning and 164.6 MB in the end (delta: 963.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 04:52:39,715 INFO L168 Benchmark]: RCFGBuilder took 233.19 ms. Allocated memory is still 187.7 MB. Free memory was 164.5 MB in the beginning and 152.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-22 04:52:39,715 INFO L168 Benchmark]: TraceAbstraction took 827115.64 ms. Allocated memory was 187.7 MB in the beginning and 325.1 MB in the end (delta: 137.4 MB). Free memory was 152.2 MB in the beginning and 259.3 MB in the end (delta: -107.1 MB). Peak memory consumption was 203.1 MB. Max. memory is 8.0 GB. [2021-08-22 04:52:39,717 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 0.09 ms. Allocated memory is still 187.7 MB. Free memory was 168.3 MB in the beginning and 168.2 MB in the end (delta: 83.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 187.7 MB. Free memory was 167.1 MB in the beginning and 165.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.87 ms. Allocated memory is still 187.7 MB. Free memory was 165.6 MB in the beginning and 164.6 MB in the end (delta: 963.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 233.19 ms. Allocated memory is still 187.7 MB. Free memory was 164.5 MB in the beginning and 152.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 827115.64 ms. Allocated memory was 187.7 MB in the beginning and 325.1 MB in the end (delta: 137.4 MB). Free memory was 152.2 MB in the beginning and 259.3 MB in the end (delta: -107.1 MB). Peak memory consumption was 203.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1229, positive: 935, positive conditional: 935, positive unconditional: 0, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 935, positive: 935, positive conditional: 935, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 935, positive: 935, positive conditional: 935, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 935, positive: 935, positive conditional: 896, positive unconditional: 39, 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: 935, positive: 935, positive conditional: 878, positive unconditional: 57, 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: 935, positive: 935, positive conditional: 878, positive unconditional: 57, 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: 181, positive: 181, positive conditional: 152, positive unconditional: 29, 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: 181, positive: 181, positive conditional: 0, positive unconditional: 181, 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: 935, positive: 754, positive conditional: 726, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 181, unknown conditional: 152, unknown unconditional: 29] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 181, Positive conditional cache size: 152, Positive unconditional cache size: 29, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 0, Independence queries for same thread: 294 - 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: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 49 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 54]: 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 49 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 54]: 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 49 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 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 49 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 827024.3ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.9ms, PartialOrderReductionTime: 121466.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 215, 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: 61.2ms SsaConstructionTime, 218.3ms SatisfiabilityAnalysisTime, 34185.0ms InterpolantComputationTime, 693 NumberOfCodeBlocks, 693 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 672 ConstructedInterpolants, 21 QuantifiedInterpolants, 10298 SizeOfPredicates, 52 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 165 ConjunctsInUnsatCore, 21 InterpolantComputations, 1 PerfectInterpolantSequences, 123/345 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