/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 12:15:52,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 12:15:52,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 12:15:52,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 12:15:52,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 12:15:52,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 12:15:52,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 12:15:52,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 12:15:52,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 12:15:52,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 12:15:52,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 12:15:52,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 12:15:52,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 12:15:52,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 12:15:52,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 12:15:52,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 12:15:52,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 12:15:52,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 12:15:52,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 12:15:52,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 12:15:52,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 12:15:52,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 12:15:52,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 12:15:52,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 12:15:52,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 12:15:52,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 12:15:52,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 12:15:52,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 12:15:52,293 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-MCRwithoutDepranks-Lazy.epf [2022-02-20 12:15:52,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 12:15:52,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 12:15:52,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 12:15:52,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 12:15:52,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 12:15:52,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 12:15:52,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 12:15:52,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 12:15:52,326 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 12:15:52,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 12:15:52,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 12:15:52,327 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 12:15:52,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 12:15:52,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 12:15:52,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 12:15:52,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 12:15:52,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 12:15:52,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 12:15:52,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 12:15:52,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:15:52,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 12:15:52,329 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 12:15:52,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 12:15:52,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 12:15:52,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 12:15:52,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 12:15:52,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 12:15:52,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 12:15:52,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 12:15:52,330 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 12:15:52,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 12:15:52,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 12:15:52,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 12:15:52,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 12:15:52,572 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 12:15:52,572 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 12:15:52,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2022-02-20 12:15:52,574 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2022-02-20 12:15:52,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 12:15:52,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 12:15:52,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 12:15:52,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 12:15:52,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 12:15:52,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,618 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 12:15:52,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 12:15:52,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 12:15:52,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 12:15:52,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 12:15:52,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 12:15:52,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 12:15:52,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 12:15:52,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 12:15:52,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/1) ... [2022-02-20 12:15:52,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:15:52,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:15:52,659 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 12:15:52,669 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 12:15:52,685 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 12:15:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 12:15:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 12:15:52,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 12:15:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 12:15:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 12:15:52,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 12:15:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 12:15:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 12:15:52,687 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 12:15:52,729 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 12:15:52,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 12:15:52,835 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 12:15:52,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 12:15:52,861 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 12:15:52,863 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:15:52 BoogieIcfgContainer [2022-02-20 12:15:52,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 12:15:52,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 12:15:52,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 12:15:52,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 12:15:52,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:15:52" (1/2) ... [2022-02-20 12:15:52,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c8f434 and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:15:52, skipping insertion in model container [2022-02-20 12:15:52,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:15:52" (2/2) ... [2022-02-20 12:15:52,871 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2022-02-20 12:15:52,878 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 12:15:52,879 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 12:15:52,879 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 12:15:52,879 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 12:15:52,926 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 12:15:52,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 12:15:52,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:15:52,987 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 12:15:53,002 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 12:15:53,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 12:15:53,038 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 12:15:53,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 12:15:53,290 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 140 states. [2022-02-20 12:15:53,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:15:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:15:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1978196723, now seen corresponding path program 1 times [2022-02-20 12:15:53,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:15:53,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515474208] [2022-02-20 12:15:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:15:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:15:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:15:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 228 proven. 71 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 12:15:54,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:15:54,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515474208] [2022-02-20 12:15:54,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515474208] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:15:54,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617603134] [2022-02-20 12:15:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:15:54,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:15:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:15:54,191 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 12:15:54,196 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 12:15:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:15:54,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 67 conjunts are in the unsatisfiable core [2022-02-20 12:15:54,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:15:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:15:57,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:16:00,085 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 9 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:00,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617603134] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:16:00,085 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:16:00,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29, 29] total 77 [2022-02-20 12:16:00,088 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500038486] [2022-02-20 12:16:00,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:16:00,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-02-20 12:16:00,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:16:00,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-02-20 12:16:00,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1325, Invalid=4681, Unknown=0, NotChecked=0, Total=6006 [2022-02-20 12:16:00,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:00,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:16:00,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.1538461538461537) internal successors, (168), 77 states have internal predecessors, (168), 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 12:16:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:04,817 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 198 transitions and produced 168 states. [2022-02-20 12:16:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-20 12:16:04,836 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 12:16:05,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 12:16:05,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:16:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:16:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash 676627817, now seen corresponding path program 2 times [2022-02-20 12:16:05,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:16:05,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079338683] [2022-02-20 12:16:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:16:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:16:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:16:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:07,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:16:07,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079338683] [2022-02-20 12:16:07,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079338683] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:16:07,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055718313] [2022-02-20 12:16:07,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 12:16:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:07,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:16:07,901 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 12:16:07,902 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 12:16:07,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 12:16:07,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:16:07,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-20 12:16:07,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:16:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 176 proven. 276 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 12:16:12,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:16:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 240 proven. 218 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:15,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055718313] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:16:15,806 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:16:15,806 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 35, 36] total 107 [2022-02-20 12:16:15,806 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125163290] [2022-02-20 12:16:15,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:16:15,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-02-20 12:16:15,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:16:15,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-02-20 12:16:15,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1792, Invalid=9550, Unknown=0, NotChecked=0, Total=11342 [2022-02-20 12:16:15,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:15,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:16:15,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 1.9906542056074767) internal successors, (213), 107 states have internal predecessors, (213), 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 12:16:15,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-20 12:16:15,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:19,692 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 324 transitions and produced 273 states. [2022-02-20 12:16:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-20 12:16:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-20 12:16:19,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 12:16:19,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:19,894 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:16:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:16:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1547693739, now seen corresponding path program 3 times [2022-02-20 12:16:19,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:16:19,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138003050] [2022-02-20 12:16:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:16:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:16:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:16:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 903 proven. 452 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 12:16:20,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:16:20,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138003050] [2022-02-20 12:16:20,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138003050] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:16:20,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742818425] [2022-02-20 12:16:20,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 12:16:20,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:20,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:16:20,988 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 12:16:20,988 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 12:16:21,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-02-20 12:16:21,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:16:21,106 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 153 conjunts are in the unsatisfiable core [2022-02-20 12:16:21,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:16:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 0 proven. 1361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:26,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:16:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 0 proven. 1361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:30,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742818425] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:16:30,881 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:16:30,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 57, 57] total 161 [2022-02-20 12:16:30,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139536675] [2022-02-20 12:16:30,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:16:30,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2022-02-20 12:16:30,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:16:30,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2022-02-20 12:16:30,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4769, Invalid=21313, Unknown=0, NotChecked=0, Total=26082 [2022-02-20 12:16:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:30,888 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:16:30,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 2.074074074074074) internal successors, (336), 161 states have internal predecessors, (336), 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 12:16:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-20 12:16:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-20 12:16:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:39,683 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 373 transitions and produced 301 states. [2022-02-20 12:16:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-20 12:16:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-20 12:16:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-02-20 12:16:39,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-20 12:16:39,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:39,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:16:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:16:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash 677960227, now seen corresponding path program 4 times [2022-02-20 12:16:39,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:16:39,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525837058] [2022-02-20 12:16:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:16:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:16:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:16:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:42,991 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:16:42,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525837058] [2022-02-20 12:16:42,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525837058] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:16:42,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131558834] [2022-02-20 12:16:42,992 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 12:16:42,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:42,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:16:42,996 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 12:16:42,998 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 12:16:43,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 12:16:43,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:16:43,118 WARN L261 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 184 conjunts are in the unsatisfiable core [2022-02-20 12:16:43,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:16:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:51,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:19:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:19:13,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131558834] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:19:13,043 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:19:13,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 68] total 193 [2022-02-20 12:19:13,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914120702] [2022-02-20 12:19:13,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:19:13,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2022-02-20 12:19:13,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:19:13,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2022-02-20 12:19:13,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2037, Invalid=35405, Unknown=0, NotChecked=0, Total=37442 [2022-02-20 12:19:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:19:13,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:19:13,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 1.958762886597938) internal successors, (380), 193 states have internal predecessors, (380), 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 12:19:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-20 12:19:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-20 12:19:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-02-20 12:19:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:19:58,304 WARN L228 SmtUtils]: Spent 41.01s on a formula simplification. DAG size of input: 1330 DAG size of output: 358 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:20:45,893 WARN L228 SmtUtils]: Spent 45.50s on a formula simplification. DAG size of input: 1356 DAG size of output: 342 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:21:17,137 WARN L228 SmtUtils]: Spent 29.20s on a formula simplification. DAG size of input: 1380 DAG size of output: 332 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:21:48,749 WARN L228 SmtUtils]: Spent 29.52s on a formula simplification. DAG size of input: 1405 DAG size of output: 315 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:22:16,166 WARN L228 SmtUtils]: Spent 25.29s on a formula simplification. DAG size of input: 1428 DAG size of output: 304 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:22:44,556 WARN L228 SmtUtils]: Spent 26.18s on a formula simplification. DAG size of input: 1449 DAG size of output: 291 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:23:08,741 WARN L228 SmtUtils]: Spent 21.92s on a formula simplification. DAG size of input: 1468 DAG size of output: 280 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:23:32,069 WARN L228 SmtUtils]: Spent 21.05s on a formula simplification. DAG size of input: 1485 DAG size of output: 266 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:23:52,766 WARN L228 SmtUtils]: Spent 18.39s on a formula simplification. DAG size of input: 1500 DAG size of output: 252 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:24:09,219 WARN L228 SmtUtils]: Spent 14.09s on a formula simplification. DAG size of input: 1513 DAG size of output: 239 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:24:23,964 WARN L228 SmtUtils]: Spent 12.33s on a formula simplification. DAG size of input: 1524 DAG size of output: 225 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:24:36,725 WARN L228 SmtUtils]: Spent 10.32s on a formula simplification. DAG size of input: 1533 DAG size of output: 213 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:24:48,576 WARN L228 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 1540 DAG size of output: 197 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:25:00,308 WARN L228 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 1545 DAG size of output: 186 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:25:08,432 WARN L228 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 1548 DAG size of output: 172 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:27:47,110 WARN L228 SmtUtils]: Spent 26.21s on a formula simplification. DAG size of input: 2153 DAG size of output: 1230 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 12:27:49,226 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1195 transitions and produced 934 states. [2022-02-20 12:27:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-20 12:27:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-20 12:27:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-02-20 12:27:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2022-02-20 12:27:49,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 12:27:49,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:27:49,429 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:27:49,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:27:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1260462573, now seen corresponding path program 5 times [2022-02-20 12:27:49,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:27:49,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993320875] [2022-02-20 12:27:49,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:27:49,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:27:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:27:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 23362 backedges. 20300 proven. 3006 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-02-20 12:27:58,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:27:58,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993320875] [2022-02-20 12:27:58,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993320875] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:27:58,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079885636] [2022-02-20 12:27:58,086 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 12:27:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:27:58,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:27:58,087 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) [2022-02-20 12:27:58,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 12:27:58,768 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2022-02-20 12:27:58,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:27:58,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 607 conjunts are in the unsatisfiable core [2022-02-20 12:27:58,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:28:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 23362 backedges. 0 proven. 23362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:28:45,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-20 12:29:14,968 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-20 12:29:14,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-20 12:29:14,998 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:29:14,998 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 12:29:14,998 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 12:29:15,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:29:15,170 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 416 with TraceHistMax 141,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-3-2-2-1 context. [2022-02-20 12:29:15,172 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-20 12:29:15,172 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-20 12:29:15,176 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-02-20 12:29:15,178 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 12:29:15,178 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 12:29:15,181 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:29:15 BasicIcfg [2022-02-20 12:29:15,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 12:29:15,183 INFO L158 Benchmark]: Toolchain (without parser) took 802592.11ms. Allocated memory was 185.6MB in the beginning and 652.2MB in the end (delta: 466.6MB). Free memory was 144.9MB in the beginning and 157.0MB in the end (delta: -12.1MB). Peak memory consumption was 455.0MB. Max. memory is 8.0GB. [2022-02-20 12:29:15,183 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 12:29:15,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.93ms. Allocated memory is still 185.6MB. Free memory was 144.8MB in the beginning and 143.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:29:15,184 INFO L158 Benchmark]: Boogie Preprocessor took 14.77ms. Allocated memory is still 185.6MB. Free memory was 143.3MB in the beginning and 142.4MB in the end (delta: 915.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:29:15,184 INFO L158 Benchmark]: RCFGBuilder took 226.98ms. Allocated memory is still 185.6MB. Free memory was 142.3MB in the beginning and 133.4MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 12:29:15,184 INFO L158 Benchmark]: TraceAbstraction took 802318.01ms. Allocated memory was 185.6MB in the beginning and 652.2MB in the end (delta: 466.6MB). Free memory was 133.0MB in the beginning and 157.0MB in the end (delta: -24.0MB). Peak memory consumption was 443.5MB. Max. memory is 8.0GB. [2022-02-20 12:29:15,185 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 0.11ms. Allocated memory is still 185.6MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.93ms. Allocated memory is still 185.6MB. Free memory was 144.8MB in the beginning and 143.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.77ms. Allocated memory is still 185.6MB. Free memory was 143.3MB in the beginning and 142.4MB in the end (delta: 915.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 226.98ms. Allocated memory is still 185.6MB. Free memory was 142.3MB in the beginning and 133.4MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 802318.01ms. Allocated memory was 185.6MB in the beginning and 652.2MB in the end (delta: 466.6MB). Free memory was 133.0MB in the beginning and 157.0MB in the end (delta: -24.0MB). Peak memory consumption was 443.5MB. 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: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 416 with TraceHistMax 141,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-3-2-2-1 context. - TimeoutResultAtElement [Line: 46]: 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 416 with TraceHistMax 141,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-3-2-2-1 context. - TimeoutResultAtElement [Line: 46]: 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 416 with TraceHistMax 141,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 802.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 533.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 390, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 180.7s InterpolantComputationTime, 772 NumberOfCodeBlocks, 772 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1146 ConstructedInterpolants, 0 QuantifiedInterpolants, 81887 SizeOfPredicates, 38 NumberOfNonLiveVariables, 931 ConjunctsInSsa, 485 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 1574/11607 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