/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-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 11:58:21,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 11:58:21,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 11:58:21,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 11:58:21,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 11:58:22,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 11:58:22,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 11:58:22,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 11:58:22,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 11:58:22,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 11:58:22,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 11:58:22,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 11:58:22,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 11:58:22,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 11:58:22,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 11:58:22,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 11:58:22,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 11:58:22,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 11:58:22,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 11:58:22,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 11:58:22,032 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 11:58:22,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 11:58:22,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 11:58:22,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 11:58:22,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 11:58:22,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 11:58:22,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 11:58:22,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 11:58:22,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 11:58:22,050 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 11:58:22,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 11:58:22,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 11:58:22,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 11:58:22,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 11:58:22,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 11:58:22,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 11:58:22,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 11:58:22,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 11:58:22,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 11:58:22,053 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 11:58:22,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 11:58:22,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 11:58:22,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 11:58:22,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 11:58:22,219 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 11:58:22,226 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 11:58:22,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2022-02-20 11:58:22,227 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2022-02-20 11:58:22,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 11:58:22,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 11:58:22,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 11:58:22,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 11:58:22,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 11:58:22,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,265 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 11:58:22,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 11:58:22,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 11:58:22,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 11:58:22,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 11:58:22,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 11:58:22,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 11:58:22,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 11:58:22,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 11:58:22,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/1) ... [2022-02-20 11:58:22,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 11:58:22,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:58:22,303 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 11:58:22,321 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 11:58:22,331 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 11:58:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 11:58:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 11:58:22,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 11:58:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 11:58:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 11:58:22,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 11:58:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 11:58:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 11:58:22,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 11:58:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 11:58:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 11:58:22,333 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 11:58:22,366 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 11:58:22,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 11:58:22,474 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 11:58:22,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 11:58:22,486 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 11:58:22,487 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:58:22 BoogieIcfgContainer [2022-02-20 11:58:22,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 11:58:22,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 11:58:22,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 11:58:22,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 11:58:22,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:58:22" (1/2) ... [2022-02-20 11:58:22,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319a4786 and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:58:22, skipping insertion in model container [2022-02-20 11:58:22,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:58:22" (2/2) ... [2022-02-20 11:58:22,502 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2022-02-20 11:58:22,513 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 11:58:22,513 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 11:58:22,513 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 11:58:22,513 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 11:58:22,560 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 11:58:22,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 11:58:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:58:22,589 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 11:58:22,602 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 11:58:22,620 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 11:58:22,625 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 11:58:22,625 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 11:58:25,276 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1185 transitions and produced 1054 states. [2022-02-20 11:58:25,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 11:58:25,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:58:25,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1966046496, now seen corresponding path program 1 times [2022-02-20 11:58:25,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:58:25,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077137004] [2022-02-20 11:58:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:58:25,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:58:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:58:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7388 proven. 1787 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 11:58:28,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:58:28,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077137004] [2022-02-20 11:58:28,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077137004] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:58:28,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440814577] [2022-02-20 11:58:28,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:58:28,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:58:28,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:58:28,814 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 11:58:28,815 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 11:58:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:58:29,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 129 conjunts are in the unsatisfiable core [2022-02-20 11:58:29,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:58:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7557 proven. 1618 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 11:58:29,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:58:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7557 proven. 1618 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 11:58:32,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440814577] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:58:32,551 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:58:32,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 165 [2022-02-20 11:58:32,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099058003] [2022-02-20 11:58:32,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:58:32,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2022-02-20 11:58:32,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:58:32,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2022-02-20 11:58:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7927, Invalid=19463, Unknown=0, NotChecked=0, Total=27390 [2022-02-20 11:58:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:58:32,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:58:32,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 2.7710843373493974) internal successors, (460), 165 states have internal predecessors, (460), 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 11:58:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:58:45,522 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2036 transitions and produced 1831 states. [2022-02-20 11:58:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-02-20 11:58:45,540 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 11:58:45,731 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 11:58:45,732 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 11:58:45,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:58:45,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1462771252, now seen corresponding path program 2 times [2022-02-20 11:58:45,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:58:45,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483394561] [2022-02-20 11:58:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:58:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:58:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:58:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 23611 backedges. 4489 proven. 5819 refuted. 0 times theorem prover too weak. 13303 trivial. 0 not checked. [2022-02-20 11:58:47,795 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:58:47,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483394561] [2022-02-20 11:58:47,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483394561] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:58:47,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589055045] [2022-02-20 11:58:47,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 11:58:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:58:47,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:58:47,796 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 11:58:47,797 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 11:58:47,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 11:58:47,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:58:47,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 141 conjunts are in the unsatisfiable core [2022-02-20 11:58:47,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:58:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 23611 backedges. 14213 proven. 4761 refuted. 0 times theorem prover too weak. 4637 trivial. 0 not checked. [2022-02-20 11:58:56,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:58:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 23611 backedges. 14213 proven. 4761 refuted. 0 times theorem prover too weak. 4637 trivial. 0 not checked. [2022-02-20 11:58:57,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589055045] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:58:57,086 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:58:57,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 141, 141] total 220 [2022-02-20 11:58:57,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966158696] [2022-02-20 11:58:57,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:58:57,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 221 states [2022-02-20 11:58:57,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:58:57,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2022-02-20 11:58:57,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7592, Invalid=41028, Unknown=0, NotChecked=0, Total=48620 [2022-02-20 11:58:57,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:58:57,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:58:57,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 221 states, 221 states have (on average 2.158371040723982) internal successors, (477), 220 states have internal predecessors, (477), 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 11:58:57,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-02-20 11:58:57,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:59:20,769 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5245 transitions and produced 4768 states. [2022-02-20 11:59:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-02-20 11:59:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2022-02-20 11:59:20,787 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 11:59:20,970 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 11:59:20,971 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 11:59:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:59:20,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1956018360, now seen corresponding path program 3 times [2022-02-20 11:59:20,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:59:20,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146624327] [2022-02-20 11:59:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:59:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:59:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:59:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 199389 backedges. 23396 proven. 162473 refuted. 0 times theorem prover too weak. 13520 trivial. 0 not checked. [2022-02-20 11:59:34,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:59:34,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146624327] [2022-02-20 11:59:34,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146624327] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:59:34,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353973405] [2022-02-20 11:59:34,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 11:59:34,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:59:34,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:59:34,033 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 11:59:34,034 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 11:59:57,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 287 check-sat command(s) [2022-02-20 11:59:57,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:59:57,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 2973 conjuncts, 334 conjunts are in the unsatisfiable core [2022-02-20 11:59:57,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:00:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 199389 backedges. 99676 proven. 28817 refuted. 0 times theorem prover too weak. 70896 trivial. 0 not checked. [2022-02-20 12:00:34,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:00:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 199389 backedges. 96409 proven. 37647 refuted. 0 times theorem prover too weak. 65333 trivial. 0 not checked. [2022-02-20 12:00:38,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353973405] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:00:38,804 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:00:38,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [227, 277, 289] total 515 [2022-02-20 12:00:38,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736061510] [2022-02-20 12:00:38,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:00:38,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 516 states [2022-02-20 12:00:38,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:00:38,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 516 interpolants. [2022-02-20 12:00:38,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33942, Invalid=231798, Unknown=0, NotChecked=0, Total=265740 [2022-02-20 12:00:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:00:38,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:00:38,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 516 states, 516 states have (on average 2.507751937984496) internal successors, (1294), 515 states have internal predecessors, (1294), 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 12:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-02-20 12:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2022-02-20 12:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:03:12,340 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8671 transitions and produced 7784 states. [2022-02-20 12:03:12,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-02-20 12:03:12,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2022-02-20 12:03:12,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1230 states. [2022-02-20 12:03:12,370 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 12:03:12,541 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 12:03:12,542 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:03:12,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:03:12,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1240318698, now seen corresponding path program 4 times [2022-02-20 12:03:12,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:03:12,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109848242] [2022-02-20 12:03:12,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:03:12,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:03:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:08:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 572762 backedges. 547597 proven. 25165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:08:15,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:08:15,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109848242] [2022-02-20 12:08:15,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109848242] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:08:15,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460627903] [2022-02-20 12:08:15,056 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 12:08:15,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:08:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:08:15,057 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 12:08:15,057 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 12:08:15,847 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 12:08:15,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:08:15,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 5675 conjuncts, 305 conjunts are in the unsatisfiable core [2022-02-20 12:08:15,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-20 12:10:21,019 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-20 12:10:21,021 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 12:10:21,046 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 12:10:21,058 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 12:10:21,058 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 12:10:21,058 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:10:21,221 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 12:10:21,222 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2081 with TraceHistMax 725,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. [2022-02-20 12:10:21,223 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 12:10:21,223 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 12:10:21,224 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 12:10:21,230 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-02-20 12:10:21,231 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 12:10:21,232 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 12:10:21,233 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:10:21 BasicIcfg [2022-02-20 12:10:21,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 12:10:21,234 INFO L158 Benchmark]: Toolchain (without parser) took 718988.42ms. Allocated memory was 187.7MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 152.9MB in the beginning and 674.6MB in the end (delta: -521.6MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-02-20 12:10:21,234 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 12:10:21,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.45ms. Allocated memory is still 187.7MB. Free memory was 152.9MB in the beginning and 151.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:10:21,235 INFO L158 Benchmark]: Boogie Preprocessor took 10.77ms. Allocated memory is still 187.7MB. Free memory was 151.4MB in the beginning and 150.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:10:21,235 INFO L158 Benchmark]: RCFGBuilder took 208.49ms. Allocated memory is still 187.7MB. Free memory was 150.3MB in the beginning and 140.8MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 12:10:21,235 INFO L158 Benchmark]: TraceAbstraction took 718744.62ms. Allocated memory was 187.7MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 140.3MB in the beginning and 674.6MB in the end (delta: -534.2MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-02-20 12:10:21,237 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 0.10ms. Allocated memory is still 187.7MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.45ms. Allocated memory is still 187.7MB. Free memory was 152.9MB in the beginning and 151.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.77ms. Allocated memory is still 187.7MB. Free memory was 151.4MB in the beginning and 150.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 208.49ms. Allocated memory is still 187.7MB. Free memory was 150.3MB in the beginning and 140.8MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 718744.62ms. Allocated memory was 187.7MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 140.3MB in the beginning and 674.6MB in the end (delta: -534.2MB). Peak memory consumption was 2.8GB. 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 2081 with TraceHistMax 725,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2081 with TraceHistMax 725,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2081 with TraceHistMax 725,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2081 with TraceHistMax 725,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 718.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 192.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1870, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 25.1s SatisfiabilityAnalysisTime, 70.9s InterpolantComputationTime, 4084 NumberOfCodeBlocks, 3897 NumberOfCodeBlocksAsserted, 293 NumberOfCheckSat, 6117 ConstructedInterpolants, 0 QuantifiedInterpolants, 24047 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4900 ConjunctsInSsa, 604 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 447362/696663 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