/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 23:16:52,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 23:16:52,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 23:16:52,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 23:16:52,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 23:16:52,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 23:16:52,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 23:16:52,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-18 23:16:53,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 23:16:53,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 23:16:53,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 23:16:53,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 23:16:53,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 23:16:53,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 23:16:53,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 23:16:53,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 23:16:53,013 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 23:16:53,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 23:16:53,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 23:16:53,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 23:16:53,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 23:16:53,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 23:16:53,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 23:16:53,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 23:16:53,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 23:16:53,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 23:16:53,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 23:16:53,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 23:16:53,017 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 23:16:53,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 23:16:53,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 23:16:53,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 23:16:53,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 23:16:53,281 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-18 23:16:53,283 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-18 23:16:53,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2022-02-18 23:16:53,285 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2022-02-18 23:16:53,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 23:16:53,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-18 23:16:53,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 23:16:53,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 23:16:53,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 23:16:53,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,348 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-18 23:16:53,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 23:16:53,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 23:16:53,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 23:16:53,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 23:16:53,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 23:16:53,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 23:16:53,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 23:16:53,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 23:16:53,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/1) ... [2022-02-18 23:16:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 23:16:53,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:16:53,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 23:16:53,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 23:16:53,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-18 23:16:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 23:16:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 23:16:53,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-18 23:16:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 23:16:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 23:16:53,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-18 23:16:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 23:16:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 23:16:53,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-18 23:16:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-18 23:16:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-18 23:16:53,453 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 23:16:53,497 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 23:16:53,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 23:16:53,614 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 23:16:53,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 23:16:53,633 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 23:16:53,634 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:16:53 BoogieIcfgContainer [2022-02-18 23:16:53,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 23:16:53,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 23:16:53,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 23:16:53,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 23:16:53,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:16:53" (1/2) ... [2022-02-18 23:16:53,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee651a5 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 11:16:53, skipping insertion in model container [2022-02-18 23:16:53,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:16:53" (2/2) ... [2022-02-18 23:16:53,671 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2022-02-18 23:16:53,675 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 23:16:53,676 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 23:16:53,676 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 23:16:53,676 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 23:16:53,728 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-18 23:16:53,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 23:16:53,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:16:53,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 23:16:53,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-18 23:16:53,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 23:16:53,830 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 23:16:53,830 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-18 23:16:53,902 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:16:53,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:16:53,908 INFO L85 PathProgramCache]: Analyzing trace with hash -234537446, now seen corresponding path program 1 times [2022-02-18 23:16:53,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:16:53,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589493728] [2022-02-18 23:16:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:53,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:16:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:54,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:16:54,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589493728] [2022-02-18 23:16:54,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589493728] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 23:16:54,143 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 23:16:54,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 23:16:54,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983409369] [2022-02-18 23:16:54,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 23:16:54,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 23:16:54,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:16:54,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 23:16:54,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 23:16:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:54,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:16:54,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:16:54,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:54,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 23:16:54,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:16:54,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:16:54,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1872873864, now seen corresponding path program 1 times [2022-02-18 23:16:54,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:16:54,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426619169] [2022-02-18 23:16:54,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:16:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:16:54,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:16:54,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426619169] [2022-02-18 23:16:54,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426619169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 23:16:54,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 23:16:54,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 23:16:54,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74866464] [2022-02-18 23:16:54,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 23:16:54,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 23:16:54,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:16:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 23:16:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 23:16:54,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:54,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:16:54,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:16:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:54,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 23:16:54,399 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:16:54,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:16:54,400 INFO L85 PathProgramCache]: Analyzing trace with hash 196648534, now seen corresponding path program 1 times [2022-02-18 23:16:54,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:16:54,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920122128] [2022-02-18 23:16:54,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:54,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:16:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:54,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:16:54,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920122128] [2022-02-18 23:16:54,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920122128] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:16:54,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177963351] [2022-02-18 23:16:54,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:54,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:16:54,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:16:54,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:16:54,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 23:16:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:54,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-18 23:16:54,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:16:55,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:16:55,482 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2022-02-18 23:16:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:55,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:16:55,990 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:16:55,991 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 67 [2022-02-18 23:16:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:56,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177963351] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:16:56,535 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:16:56,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-02-18 23:16:56,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378087077] [2022-02-18 23:16:56,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:16:56,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 23:16:56,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:16:56,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 23:16:56,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-18 23:16:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:56,538 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:16:56,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 18 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:16:56,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:56,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:56,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:16:56,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 23:16:57,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-18 23:16:57,024 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:16:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:16:57,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1778530228, now seen corresponding path program 2 times [2022-02-18 23:16:57,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:16:57,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923758745] [2022-02-18 23:16:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:57,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:16:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:57,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:16:57,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923758745] [2022-02-18 23:16:57,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923758745] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:16:57,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311593247] [2022-02-18 23:16:57,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 23:16:57,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:16:57,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:16:57,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:16:57,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 23:16:57,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 23:16:57,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:16:57,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 23:16:57,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:16:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:57,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:16:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:57,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311593247] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:16:57,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:16:57,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-18 23:16:57,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647692989] [2022-02-18 23:16:57,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:16:57,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-18 23:16:57,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:16:57,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-18 23:16:57,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-18 23:16:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:57,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:16:57,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:16:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:16:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:57,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:16:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:16:57,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-18 23:16:57,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:16:57,905 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:16:57,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:16:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash -485803280, now seen corresponding path program 1 times [2022-02-18 23:16:57,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:16:57,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578135292] [2022-02-18 23:16:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:16:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:16:57,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:16:57,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578135292] [2022-02-18 23:16:57,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578135292] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:16:57,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25157817] [2022-02-18 23:16:57,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:57,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:16:57,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:16:57,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:16:58,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 23:16:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:58,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 23:16:58,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:16:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:16:58,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:16:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:16:58,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25157817] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:16:58,262 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:16:58,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-18 23:16:58,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303358353] [2022-02-18 23:16:58,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:16:58,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 23:16:58,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:16:58,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 23:16:58,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-18 23:16:58,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:58,263 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:16:58,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:16:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:16:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:16:58,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:16:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:16:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:16:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:16:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:16:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:16:58,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-18 23:16:58,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:16:58,600 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:16:58,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:16:58,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1400384050, now seen corresponding path program 2 times [2022-02-18 23:16:58,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:16:58,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813704134] [2022-02-18 23:16:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:16:58,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:16:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:16:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:16:59,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:16:59,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813704134] [2022-02-18 23:16:59,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813704134] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:16:59,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132553196] [2022-02-18 23:16:59,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 23:16:59,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:16:59,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:16:59,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:16:59,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 23:16:59,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 23:16:59,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:16:59,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-18 23:16:59,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:17:01,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:17:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:17:01,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:17:01,804 INFO L387 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 153 [2022-02-18 23:17:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:17:02,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:17:07,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:17:07,376 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-18 23:17:07,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1567 treesize of output 943 [2022-02-18 23:17:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:17:54,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132553196] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:17:54,425 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:17:54,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2022-02-18 23:17:54,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351542920] [2022-02-18 23:17:54,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:17:54,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-18 23:17:54,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:17:54,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-18 23:17:54,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2022-02-18 23:17:54,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:17:54,427 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:17:54,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.46875) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:17:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:17:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:17:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:17:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:17:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:17:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:17:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:17:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:17:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:17:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:58,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 23:17:58,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:17:58,513 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:17:58,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:17:58,514 INFO L85 PathProgramCache]: Analyzing trace with hash 155791660, now seen corresponding path program 3 times [2022-02-18 23:17:58,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:17:58,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074166266] [2022-02-18 23:17:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:17:58,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:17:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:17:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:17:58,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:17:58,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074166266] [2022-02-18 23:17:58,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074166266] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:17:58,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236374202] [2022-02-18 23:17:58,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 23:17:58,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:17:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:17:58,602 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:17:58,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 23:17:58,637 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-18 23:17:58,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:17:58,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 23:17:58,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:17:58,812 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:17:58,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:17:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:17:58,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236374202] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:17:58,999 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:17:58,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-18 23:17:58,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140719671] [2022-02-18 23:17:59,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:17:59,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-18 23:17:59,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:17:59,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-18 23:17:59,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-18 23:17:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:17:59,003 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:17:59,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:17:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:17:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:17:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:17:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:17:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:17:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:17:59,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 23:17:59,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:17:59,822 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:17:59,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:17:59,823 INFO L85 PathProgramCache]: Analyzing trace with hash 717797480, now seen corresponding path program 4 times [2022-02-18 23:17:59,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:17:59,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308292781] [2022-02-18 23:17:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:17:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:17:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:17:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:17:59,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:17:59,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308292781] [2022-02-18 23:17:59,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308292781] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:17:59,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629194461] [2022-02-18 23:17:59,921 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 23:17:59,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:17:59,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:17:59,922 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:17:59,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 23:17:59,963 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 23:17:59,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:17:59,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 23:17:59,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:18:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:18:00,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:18:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 23:18:00,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629194461] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:18:00,231 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:18:00,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-18 23:18:00,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530015470] [2022-02-18 23:18:00,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:18:00,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-18 23:18:00,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:18:00,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-18 23:18:00,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-18 23:18:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:18:00,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:18:00,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:18:00,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:18:00,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:18:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:18:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 23:18:00,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 23:18:00,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:18:00,624 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:18:00,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:18:00,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1986237766, now seen corresponding path program 5 times [2022-02-18 23:18:00,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:18:00,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195166988] [2022-02-18 23:18:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:18:00,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:18:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:18:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:18:11,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:18:11,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195166988] [2022-02-18 23:18:11,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195166988] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:18:11,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225654570] [2022-02-18 23:18:11,545 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 23:18:11,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:18:11,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:18:11,548 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 23:18:11,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 23:18:11,598 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-18 23:18:11,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:18:11,600 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-18 23:18:11,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:18:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:18:46,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:18:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:18:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:18:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:18:46,700 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1051 treesize of output 621 [2022-02-18 23:18:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:18:51,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-18 23:30:30,917 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-18 23:30:30,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-18 23:30:30,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 23:30:30,938 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 23:30:30,938 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 23:30:30,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-18 23:30:31,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-18 23:30:31,134 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 14ms.. [2022-02-18 23:30:31,136 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-18 23:30:31,136 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-18 23:30:31,136 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-18 23:30:31,140 INFO L732 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1] [2022-02-18 23:30:31,142 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 23:30:31,142 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 23:30:31,144 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 11:30:31 BasicIcfg [2022-02-18 23:30:31,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 23:30:31,145 INFO L158 Benchmark]: Toolchain (without parser) took 817824.00ms. Allocated memory was 184.5MB in the beginning and 876.6MB in the end (delta: 692.1MB). Free memory was 141.7MB in the beginning and 488.5MB in the end (delta: -346.8MB). Peak memory consumption was 533.6MB. Max. memory is 8.0GB. [2022-02-18 23:30:31,145 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 23:30:31,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.12ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 140.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 23:30:31,145 INFO L158 Benchmark]: Boogie Preprocessor took 23.80ms. Allocated memory is still 184.5MB. Free memory was 140.1MB in the beginning and 139.2MB in the end (delta: 906.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 23:30:31,145 INFO L158 Benchmark]: RCFGBuilder took 259.14ms. Allocated memory is still 184.5MB. Free memory was 139.1MB in the beginning and 129.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-18 23:30:31,146 INFO L158 Benchmark]: TraceAbstraction took 817491.89ms. Allocated memory was 184.5MB in the beginning and 876.6MB in the end (delta: 692.1MB). Free memory was 129.2MB in the beginning and 488.5MB in the end (delta: -359.3MB). Peak memory consumption was 521.0MB. Max. memory is 8.0GB. [2022-02-18 23:30:31,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.12ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 140.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.80ms. Allocated memory is still 184.5MB. Free memory was 140.1MB in the beginning and 139.2MB in the end (delta: 906.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 259.14ms. Allocated memory is still 184.5MB. Free memory was 139.1MB in the beginning and 129.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 817491.89ms. Allocated memory was 184.5MB in the beginning and 876.6MB in the end (delta: 692.1MB). Free memory was 129.2MB in the beginning and 488.5MB in the end (delta: -359.3MB). Peak memory consumption was 521.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1545, positive: 1242, positive conditional: 1242, positive unconditional: 0, negative: 303, negative conditional: 303, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1242, positive: 1242, positive conditional: 1242, 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: 1242, positive: 1242, positive conditional: 1242, 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: 1242, positive: 1242, positive conditional: 1069, positive unconditional: 173, 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: 1242, positive: 1242, positive conditional: 1014, positive unconditional: 228, 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: 1242, positive: 1242, positive conditional: 1014, positive unconditional: 228, 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: 51, positive: 51, positive conditional: 0, positive unconditional: 51, 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: 51, positive: 51, positive conditional: 0, positive unconditional: 51, 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: 1242, positive: 1191, positive conditional: 1014, positive unconditional: 177, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 0, Independence queries for same thread: 303 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 14ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 14ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 14ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 14ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 817.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 59.4s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 15021 SizeOfPredicates, 52 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 91/253 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