/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 04:12:33,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:12:33,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:12:33,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 04:12:33,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:12:33,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:12:33,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:12:33,952 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-MCRwithDepranks-Lazy.epf [2022-02-20 04:12:33,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:12:33,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:12:33,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:12:33,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:12:33,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:12:33,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:12:33,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:12:33,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:12:33,985 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:12:33,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:12:33,986 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:12:33,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:12:33,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:12:33,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:12:33,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:12:33,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:12:33,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:12:33,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:12:33,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:12:33,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:12:33,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:12:33,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:12:33,990 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:12:33,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:12:34,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:12:34,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:12:34,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:12:34,233 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:12:34,234 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:12:34,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-02-20 04:12:34,235 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-02-20 04:12:34,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:12:34,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:12:34,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:12:34,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:12:34,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:12:34,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,278 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:12:34,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:12:34,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:12:34,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:12:34,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:12:34,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:12:34,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:12:34,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:12:34,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:12:34,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/1) ... [2022-02-20 04:12:34,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:12:34,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:12:34,331 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) [2022-02-20 04:12:34,340 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 [2022-02-20 04:12:34,360 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:12:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:12:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:12:34,361 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:12:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:12:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:12:34,361 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:12:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:12:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:12:34,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:12:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:12:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:12:34,363 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:12:34,418 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:12:34,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:12:34,567 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:12:34,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:12:34,617 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:12:34,619 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:12:34 BoogieIcfgContainer [2022-02-20 04:12:34,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:12:34,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:12:34,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:12:34,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:12:34,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:12:34" (1/2) ... [2022-02-20 04:12:34,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0cd844 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:12:34, skipping insertion in model container [2022-02-20 04:12:34,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:12:34" (2/2) ... [2022-02-20 04:12:34,636 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-02-20 04:12:34,639 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:12:34,640 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:12:34,640 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:12:34,640 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:12:34,721 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:12:34,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:12:34,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:12:34,783 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) [2022-02-20 04:12:34,798 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 [2022-02-20 04:12:34,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:12:34,842 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 [2022-02-20 04:12:34,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:12:39,438 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408233 transitions and produced 135331 states. [2022-02-20 04:12:39,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:12:39,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:12:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1654894987, now seen corresponding path program 1 times [2022-02-20 04:12:39,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:12:39,455 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309711454] [2022-02-20 04:12:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:12:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:12:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:12:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6802 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6705 trivial. 0 not checked. [2022-02-20 04:12:39,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:12:39,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309711454] [2022-02-20 04:12:39,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309711454] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 04:12:39,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 04:12:39,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 04:12:39,879 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715262065] [2022-02-20 04:12:39,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 04:12:39,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 04:12:39,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:12:40,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 04:12:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 04:12:40,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:40,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:12:40,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 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) [2022-02-20 04:12:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:40,299 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9651 transitions and produced 3611 states. [2022-02-20 04:12:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:40,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 04:12:40,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:12:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:12:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1707084956, now seen corresponding path program 2 times [2022-02-20 04:12:40,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:12:40,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183623015] [2022-02-20 04:12:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:12:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:12:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:12:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6047 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-02-20 04:12:40,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:12:40,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183623015] [2022-02-20 04:12:40,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183623015] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 04:12:40,967 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 04:12:40,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 04:12:40,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860388014] [2022-02-20 04:12:40,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 04:12:40,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 04:12:40,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:12:40,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 04:12:40,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-20 04:12:40,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:40,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:12:40,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-02-20 04:12:40,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:40,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:42,249 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73371 transitions and produced 24716 states. [2022-02-20 04:12:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:42,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 04:12:42,250 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:12:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:12:42,251 INFO L85 PathProgramCache]: Analyzing trace with hash -198773002, now seen corresponding path program 3 times [2022-02-20 04:12:42,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:12:42,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780943146] [2022-02-20 04:12:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:12:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:12:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:12:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-02-20 04:12:42,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:12:42,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780943146] [2022-02-20 04:12:42,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780943146] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:12:42,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693611870] [2022-02-20 04:12:42,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:12:42,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:12:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:12:42,479 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) [2022-02-20 04:12:42,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:12:42,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-20 04:12:42,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:12:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-20 04:12:42,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:12:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 4845 trivial. 0 not checked. [2022-02-20 04:12:43,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 04:12:43,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693611870] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 04:12:43,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 04:12:43,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-02-20 04:12:43,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395738214] [2022-02-20 04:12:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 04:12:43,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 04:12:43,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:12:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 04:12:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-20 04:12:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:43,365 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:12:43,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:12:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:43,414 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1187 transitions and produced 726 states. [2022-02-20 04:12:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:43,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 04:12:43,642 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 [2022-02-20 04:12:43,642 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:12:43,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:12:43,643 INFO L85 PathProgramCache]: Analyzing trace with hash -633261751, now seen corresponding path program 4 times [2022-02-20 04:12:43,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:12:43,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692425065] [2022-02-20 04:12:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:12:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:12:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:12:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 811 proven. 74 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-02-20 04:12:43,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:12:43,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692425065] [2022-02-20 04:12:43,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692425065] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:12:43,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756222986] [2022-02-20 04:12:43,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:12:43,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:12:43,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:12:43,886 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) [2022-02-20 04:12:43,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:12:44,037 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:12:44,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:12:44,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-20 04:12:44,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:12:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-02-20 04:12:44,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:12:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-02-20 04:12:45,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756222986] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:12:45,222 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:12:45,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 5 [2022-02-20 04:12:45,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709834648] [2022-02-20 04:12:45,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:12:45,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 04:12:45,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:12:45,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 04:12:45,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-20 04:12:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:45,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:12:45,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-02-20 04:12:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:45,284 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-02-20 04:12:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:45,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 04:12:45,503 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 [2022-02-20 04:12:45,504 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:12:45,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:12:45,504 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-02-20 04:12:45,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:12:45,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309896179] [2022-02-20 04:12:45,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:12:45,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:12:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:12:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-02-20 04:12:45,837 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:12:45,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309896179] [2022-02-20 04:12:45,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309896179] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:12:45,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553136006] [2022-02-20 04:12:45,837 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:12:45,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:12:45,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:12:45,839 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) [2022-02-20 04:12:45,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:12:46,079 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-02-20 04:12:46,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:12:46,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-20 04:12:46,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:12:46,536 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 04:12:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-02-20 04:12:46,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:12:46,649 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 04:12:46,650 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 12 treesize of output 11 [2022-02-20 04:12:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-02-20 04:12:47,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553136006] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:12:47,065 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:12:47,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-02-20 04:12:47,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533704089] [2022-02-20 04:12:47,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:12:47,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 04:12:47,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:12:47,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 04:12:47,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-20 04:12:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:47,071 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:12:47,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 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) [2022-02-20 04:12:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:12:47,267 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 989 transitions and produced 626 states. [2022-02-20 04:12:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 04:12:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:12:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 04:12:47,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:12:47,479 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 [2022-02-20 04:12:47,480 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:12:47,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:12:47,480 INFO L85 PathProgramCache]: Analyzing trace with hash 570042455, now seen corresponding path program 6 times [2022-02-20 04:12:47,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:12:47,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421361033] [2022-02-20 04:12:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:12:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:12:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:12:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 26 proven. 896 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-02-20 04:12:53,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:12:53,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421361033] [2022-02-20 04:12:53,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421361033] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:12:53,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257024918] [2022-02-20 04:12:53,533 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:12:53,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:12:53,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:12:53,539 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) [2022-02-20 04:12:53,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:12:53,682 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-02-20 04:12:53,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:12:53,690 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 341 conjunts are in the unsatisfiable core [2022-02-20 04:12:53,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:14:34,089 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-02-20 04:14:34,089 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-02-20 04:14:39,876 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-02-20 04:14:39,877 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-02-20 04:14:41,068 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-02-20 04:14:41,068 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 357 treesize of output 145 [2022-02-20 04:14:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1074 proven. 474 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 04:14:41,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:16:52,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:16:52,644 INFO L244 Elim1Store]: Index analysis took 192 ms [2022-02-20 04:16:54,081 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:16:54,082 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 462 treesize of output 1478 Received shutdown request... [2022-02-20 04:26:30,605 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 [2022-02-20 04:26:30,606 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 [2022-02-20 04:26:30,605 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:26:30,620 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-20 04:26:30,623 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:26:30,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 04:26:30,831 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 [2022-02-20 04:26:30,832 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. [2022-02-20 04:26:30,833 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:26:30,833 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:26:30,833 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:26:30,843 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:26:30,844 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:26:30,844 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:26:30,846 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:26:30 BasicIcfg [2022-02-20 04:26:30,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:26:30,847 INFO L158 Benchmark]: Toolchain (without parser) took 836588.46ms. Allocated memory was 175.1MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 139.4MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2022-02-20 04:26:30,847 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:26:30,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.52ms. Allocated memory is still 175.1MB. Free memory was 139.3MB in the beginning and 137.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:26:30,847 INFO L158 Benchmark]: Boogie Preprocessor took 22.87ms. Allocated memory is still 175.1MB. Free memory was 137.8MB in the beginning and 136.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:26:30,848 INFO L158 Benchmark]: RCFGBuilder took 314.99ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 126.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-20 04:26:30,848 INFO L158 Benchmark]: TraceAbstraction took 836225.83ms. Allocated memory was 175.1MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 125.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-02-20 04:26:30,849 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 175.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.52ms. Allocated memory is still 175.1MB. Free memory was 139.3MB in the beginning and 137.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.87ms. Allocated memory is still 175.1MB. Free memory was 137.8MB in the beginning and 136.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 314.99ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 126.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 836225.83ms. Allocated memory was 175.1MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 125.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - TimeoutResultAtElement [Line: 98]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 836.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 6.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2641 NumberOfCodeBlocks, 2572 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3145 ConstructedInterpolants, 0 QuantifiedInterpolants, 6891 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 33774/34187 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