/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:26:54,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:26:54,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:26:54,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 22:26:54,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:26:54,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:26:54,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:26:54,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:26:54,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:26:54,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:26:54,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:26:54,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:26:54,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:26:54,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:26:54,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:26:54,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:26:54,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:26:54,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:26:54,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:26:54,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:26:54,742 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 [2022-03-16 22:26:54,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:26:54,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:26:54,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:26:54,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:26:54,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:26:54,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:26:54,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:26:54,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:26:54,773 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:26:54,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:26:54,773 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:26:54,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:26:54,775 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:26:54,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:26:54,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:26:54,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:26:54,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:26:54,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:26:54,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:26:54,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:26:54,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:26:54,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:26:54,777 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:26:54,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:26:54,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:26:55,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:26:55,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:26:55,008 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:26:55,012 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:26:55,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-03-16 22:26:55,013 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-03-16 22:26:55,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:26:55,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:26:55,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:26:55,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:26:55,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:26:55,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,074 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:26:55,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:26:55,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:26:55,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:26:55,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:26:55,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:26:55,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:26:55,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:26:55,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:26:55,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/1) ... [2022-03-16 22:26:55,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:26:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:26:55,124 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) [2022-03-16 22:26:55,140 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 [2022-03-16 22:26:55,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:26:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:26:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:26:55,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:26:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:26:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:26:55,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:26:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:26:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:26:55,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:26:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:26:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:26:55,158 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:26:55,191 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:26:55,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:26:55,266 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:26:55,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:26:55,279 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:26:55,280 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:26:55 BoogieIcfgContainer [2022-03-16 22:26:55,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:26:55,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:26:55,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:26:55,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:26:55,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:26:55" (1/2) ... [2022-03-16 22:26:55,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c884a6 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:26:55, skipping insertion in model container [2022-03-16 22:26:55,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:26:55" (2/2) ... [2022-03-16 22:26:55,293 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-03-16 22:26:55,297 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:26:55,297 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:26:55,298 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:26:55,298 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:26:55,343 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 22:26:55,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:26:55,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:26:55,393 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) [2022-03-16 22:26:55,415 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 [2022-03-16 22:26:55,444 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:26:55,450 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 [2022-03-16 22:26:55,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 22:26:55,810 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 544 transitions and produced 501 states. [2022-03-16 22:26:55,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:26:55,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:26:55,818 INFO L85 PathProgramCache]: Analyzing trace with hash 235070857, now seen corresponding path program 1 times [2022-03-16 22:26:55,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:26:55,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95264735] [2022-03-16 22:26:55,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:26:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:26:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:26:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 1851 proven. 0 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2022-03-16 22:26:56,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:26:56,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95264735] [2022-03-16 22:26:56,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95264735] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:26:56,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:26:56,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:26:56,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554295824] [2022-03-16 22:26:56,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:26:56,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:26:56,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:26:56,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:26:56,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:26:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:26:56,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:26:56,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-03-16 22:26:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:27:15,553 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76751 transitions and produced 51614 states. [2022-03-16 22:27:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:27:15,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:27:15,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:27:15,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:27:15,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1000264038, now seen corresponding path program 2 times [2022-03-16 22:27:15,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:27:15,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591848329] [2022-03-16 22:27:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:27:15,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:27:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:27:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 73 proven. 471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:27:16,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:27:16,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591848329] [2022-03-16 22:27:16,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591848329] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:27:16,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392939396] [2022-03-16 22:27:16,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:27:16,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:27:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:27:16,382 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) [2022-03-16 22:27:16,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:27:16,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:27:16,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:27:16,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 69 conjunts are in the unsatisfiable core [2022-03-16 22:27:16,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:27:18,086 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-16 22:27:18,086 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 29 treesize of output 13 [2022-03-16 22:27:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 43 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:27:18,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:27:19,949 INFO L353 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2022-03-16 22:27:19,950 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 50 [2022-03-16 22:27:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 87 proven. 457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:27:20,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392939396] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:27:20,254 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:27:20,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 40, 31] total 94 [2022-03-16 22:27:20,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177148058] [2022-03-16 22:27:20,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:27:20,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-03-16 22:27:20,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:27:20,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-03-16 22:27:20,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1649, Invalid=7093, Unknown=0, NotChecked=0, Total=8742 [2022-03-16 22:27:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:27:20,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:27:20,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 2.404255319148936) internal successors, (226), 94 states have internal predecessors, (226), 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) [2022-03-16 22:27:20,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:27:20,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:27:41,821 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76918 transitions and produced 51750 states. [2022-03-16 22:27:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:27:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 22:27:41,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 22:27:42,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 22:27:42,023 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:27:42,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:27:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1053721691, now seen corresponding path program 3 times [2022-03-16 22:27:42,023 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:27:42,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393330191] [2022-03-16 22:27:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:27:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:27:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:27:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 193 proven. 1349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:27:43,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:27:43,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393330191] [2022-03-16 22:27:43,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393330191] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:27:43,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659138485] [2022-03-16 22:27:43,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:27:43,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:27:43,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:27:43,228 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) [2022-03-16 22:27:43,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:27:43,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-03-16 22:27:43,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:27:43,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 34 conjunts are in the unsatisfiable core [2022-03-16 22:27:43,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:27:45,106 INFO L353 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-03-16 22:27:45,106 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 18 [2022-03-16 22:27:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 77 proven. 1374 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-03-16 22:27:45,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:27:46,575 INFO L353 Elim1Store]: treesize reduction 76, result has 52.8 percent of original size [2022-03-16 22:27:46,575 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 40 treesize of output 104 [2022-03-16 22:27:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 164 proven. 1287 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-03-16 22:27:47,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659138485] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:27:47,134 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:27:47,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 26, 26] total 92 [2022-03-16 22:27:47,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398787645] [2022-03-16 22:27:47,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:27:47,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-03-16 22:27:47,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:27:47,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-03-16 22:27:47,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=7464, Unknown=0, NotChecked=0, Total=8372 [2022-03-16 22:27:47,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:27:47,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:27:47,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.9130434782608696) internal successors, (268), 92 states have internal predecessors, (268), 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) [2022-03-16 22:27:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:27:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 22:27:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:27:54,314 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 701 transitions and produced 572 states. [2022-03-16 22:27:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:27:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:27:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-16 22:27:54,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:27:54,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:27:54,516 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:27:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:27:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 263542850, now seen corresponding path program 4 times [2022-03-16 22:27:54,517 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:27:54,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485497305] [2022-03-16 22:27:54,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:27:54,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:27:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:27:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 876 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:27:56,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:27:56,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485497305] [2022-03-16 22:27:56,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485497305] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:27:56,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917002213] [2022-03-16 22:27:56,021 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:27:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:27:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:27:56,022 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) [2022-03-16 22:27:56,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:27:56,076 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:27:56,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:27:56,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 61 conjunts are in the unsatisfiable core [2022-03-16 22:27:56,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:27:59,501 INFO L353 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-03-16 22:27:59,502 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2022-03-16 22:27:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 876 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:27:59,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:28:02,289 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-03-16 22:28:02,290 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 53 treesize of output 177 [2022-03-16 22:28:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 1190 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:28:03,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917002213] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:28:03,974 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:28:03,974 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 134 [2022-03-16 22:28:03,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356764551] [2022-03-16 22:28:03,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:28:03,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-03-16 22:28:03,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:28:03,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-03-16 22:28:03,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3609, Invalid=14213, Unknown=0, NotChecked=0, Total=17822 [2022-03-16 22:28:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:28:03,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:28:03,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 2.5522388059701493) internal successors, (342), 134 states have internal predecessors, (342), 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) [2022-03-16 22:28:03,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:28:03,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:28:03,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-16 22:28:03,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:28:11,756 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 711 transitions and produced 581 states. [2022-03-16 22:28:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:28:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:28:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-16 22:28:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:28:11,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 22:28:11,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:28:11,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:28:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:28:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 360965897, now seen corresponding path program 5 times [2022-03-16 22:28:11,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:28:11,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132545455] [2022-03-16 22:28:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:28:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:28:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:28:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 805 proven. 493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:28:13,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:28:13,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132545455] [2022-03-16 22:28:13,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132545455] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:28:13,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365004172] [2022-03-16 22:28:13,673 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:28:13,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:28:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:28:13,674 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) [2022-03-16 22:28:13,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:28:13,742 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2022-03-16 22:28:13,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:28:13,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-16 22:28:13,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:28:18,186 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-16 22:28:18,187 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-03-16 22:28:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 551 proven. 747 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:28:18,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:28:21,474 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-16 22:28:21,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 65 treesize of output 269 [2022-03-16 22:28:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 1190 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:28:32,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365004172] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:28:32,284 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:28:32,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 54, 50] total 147 [2022-03-16 22:28:32,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060510373] [2022-03-16 22:28:32,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:28:32,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2022-03-16 22:28:32,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:28:32,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2022-03-16 22:28:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3771, Invalid=17691, Unknown=0, NotChecked=0, Total=21462 [2022-03-16 22:28:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:28:32,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:28:32,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 2.3877551020408165) internal successors, (351), 147 states have internal predecessors, (351), 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) [2022-03-16 22:28:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:28:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:28:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-16 22:28:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:28:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:28:42,778 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 721 transitions and produced 590 states. [2022-03-16 22:28:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:28:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:28:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-16 22:28:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:28:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-16 22:28:42,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 22:28:42,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:28:42,979 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:28:42,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:28:42,980 INFO L85 PathProgramCache]: Analyzing trace with hash -706933022, now seen corresponding path program 6 times [2022-03-16 22:28:42,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:28:42,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995153062] [2022-03-16 22:28:42,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:28:42,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:28:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:28:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 737 proven. 580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:28:44,950 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:28:44,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995153062] [2022-03-16 22:28:44,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995153062] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:28:44,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114331998] [2022-03-16 22:28:44,950 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 22:28:44,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:28:44,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:28:44,951 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) [2022-03-16 22:28:44,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 22:28:45,017 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2022-03-16 22:28:45,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:28:45,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 121 conjunts are in the unsatisfiable core [2022-03-16 22:28:45,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:28:52,359 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-03-16 22:28:52,359 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2022-03-16 22:28:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 0 proven. 1317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:28:52,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:28:56,917 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-03-16 22:28:56,917 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 78 treesize of output 382 [2022-03-16 22:29:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 1190 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:29:21,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114331998] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:29:21,148 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:29:21,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 76, 53] total 175 [2022-03-16 22:29:21,149 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631176049] [2022-03-16 22:29:21,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:29:21,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2022-03-16 22:29:21,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:29:21,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2022-03-16 22:29:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4496, Invalid=25954, Unknown=0, NotChecked=0, Total=30450 [2022-03-16 22:29:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:29:21,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:29:21,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 2.057142857142857) internal successors, (360), 175 states have internal predecessors, (360), 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) [2022-03-16 22:29:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:29:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:29:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-16 22:29:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:29:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-03-16 22:29:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:30:03,672 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 77481 transitions and produced 52214 states. [2022-03-16 22:30:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:30:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:30:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 22:30:03,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-03-16 22:30:03,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-16 22:30:03,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-03-16 22:30:03,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 22:30:03,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:30:03,874 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:30:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:30:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash 994525409, now seen corresponding path program 7 times [2022-03-16 22:30:03,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:30:03,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015530744] [2022-03-16 22:30:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:30:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:30:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:30:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8718 backedges. 1047 proven. 7671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:30:08,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:30:08,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015530744] [2022-03-16 22:30:08,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015530744] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:30:08,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237240654] [2022-03-16 22:30:08,851 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 22:30:08,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:30:08,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:30:08,852 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:30:08,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 22:30:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:30:08,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 265 conjunts are in the unsatisfiable core [2022-03-16 22:30:08,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:30:36,366 INFO L353 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2022-03-16 22:30:36,366 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 34 [2022-03-16 22:30:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8718 backedges. 43 proven. 8675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:30:38,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:30:53,996 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-16 22:30:53,996 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 91 treesize of output 515 [2022-03-16 22:34:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8718 backedges. 1541 proven. 7177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:34:51,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237240654] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:34:51,511 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:34:51,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 164, 103] total 363 [2022-03-16 22:34:51,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145553529] [2022-03-16 22:34:51,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:34:51,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 363 states [2022-03-16 22:34:51,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:34:51,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 363 interpolants. [2022-03-16 22:34:51,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13619, Invalid=117787, Unknown=0, NotChecked=0, Total=131406 [2022-03-16 22:34:51,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:51,522 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:34:51,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 363 states, 363 states have (on average 2.165289256198347) internal successors, (786), 363 states have internal predecessors, (786), 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) [2022-03-16 22:34:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:34:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-16 22:34:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-03-16 22:34:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-16 22:34:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-03-16 22:34:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:35:59,206 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1261 transitions and produced 1008 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 22:35:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-03-16 22:35:59,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 22:35:59,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:35:59,408 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:35:59,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:35:59,409 INFO L85 PathProgramCache]: Analyzing trace with hash -383776126, now seen corresponding path program 8 times [2022-03-16 22:35:59,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:35:59,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103202778] [2022-03-16 22:35:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:35:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:35:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:36:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7224 backedges. 5430 proven. 1794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:36:06,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:36:06,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103202778] [2022-03-16 22:36:06,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103202778] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:36:06,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389876020] [2022-03-16 22:36:06,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:36:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:36:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:36:06,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:36:06,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 22:36:06,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:36:06,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:36:06,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 129 conjunts are in the unsatisfiable core [2022-03-16 22:36:06,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:36:22,893 INFO L353 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2022-03-16 22:36:22,894 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 38 [2022-03-16 22:36:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 7224 backedges. 5430 proven. 1794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:36:23,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:36:35,321 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-03-16 22:36:35,322 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 105 treesize of output 669 Received shutdown request... [2022-03-16 22:39:58,204 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 22:39:58,206 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 22:39:58,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 22:39:58,228 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 [2022-03-16 22:39:58,228 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:39:58,234 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 [2022-03-16 22:39:58,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-03-16 22:39:58,408 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 254 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 25ms.. [2022-03-16 22:39:58,409 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 22:39:58,409 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 22:39:58,409 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 22:39:58,413 INFO L732 BasicCegarLoop]: Path program histogram: [8] [2022-03-16 22:39:58,415 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:39:58,415 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:39:58,416 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:39:58 BasicIcfg [2022-03-16 22:39:58,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:39:58,417 INFO L158 Benchmark]: Toolchain (without parser) took 783372.12ms. Allocated memory was 183.5MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 142.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. [2022-03-16 22:39:58,417 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:39:58,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.25ms. Allocated memory is still 183.5MB. Free memory was 142.8MB in the beginning and 141.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:39:58,418 INFO L158 Benchmark]: Boogie Preprocessor took 13.77ms. Allocated memory is still 183.5MB. Free memory was 141.3MB in the beginning and 140.3MB in the end (delta: 962.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:39:58,418 INFO L158 Benchmark]: RCFGBuilder took 188.49ms. Allocated memory is still 183.5MB. Free memory was 140.3MB in the beginning and 131.2MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 22:39:58,418 INFO L158 Benchmark]: TraceAbstraction took 783134.28ms. Allocated memory was 183.5MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 130.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. [2022-03-16 22:39:58,419 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 0.13ms. Allocated memory is still 183.5MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.25ms. Allocated memory is still 183.5MB. Free memory was 142.8MB in the beginning and 141.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.77ms. Allocated memory is still 183.5MB. Free memory was 141.3MB in the beginning and 140.3MB in the end (delta: 962.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 188.49ms. Allocated memory is still 183.5MB. Free memory was 140.3MB in the beginning and 131.2MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 783134.28ms. Allocated memory was 183.5MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 130.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 5.4GB. 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 254 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 25ms.. - TimeoutResultAtElement [Line: 58]: 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 254 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 25ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 254 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 25ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 254 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 25ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 783.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 176.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 768, 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, 0.6s SatisfiabilityAnalysisTime, 364.8s InterpolantComputationTime, 1885 NumberOfCodeBlocks, 1882 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 2721 ConstructedInterpolants, 0 QuantifiedInterpolants, 76334 SizeOfPredicates, 90 NumberOfNonLiveVariables, 2220 ConjunctsInSsa, 626 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 14067/47305 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