/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/figure3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 11:33:53,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 11:33:53,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 11:33:53,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 11:33:53,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 11:33:53,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 11:33:53,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 11:33:53,654 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 11:33:53,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 11:33:53,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 11:33:53,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 11:33:53,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 11:33:53,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 11:33:53,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 11:33:53,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 11:33:53,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 11:33:53,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 11:33:53,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 11:33:53,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 11:33:53,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 11:33:53,674 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 11:33:53,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 11:33:53,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 11:33:53,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 11:33:53,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 11:33:53,920 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 11:33:53,922 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 11:33:53,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl [2022-02-20 11:33:53,923 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl' [2022-02-20 11:33:53,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 11:33:53,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 11:33:53,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 11:33:53,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 11:33:53,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 11:33:53,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,961 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 11:33:53,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 11:33:53,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 11:33:53,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 11:33:53,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 11:33:53,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 11:33:53,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 11:33:53,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 11:33:53,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 11:33:53,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/1) ... [2022-02-20 11:33:53,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 11:33:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:33:54,009 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 11:33:54,011 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 11:33:54,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 11:33:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 11:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 11:33:54,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 11:33:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 11:33:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 11:33:54,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 11:33:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 11:33:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 11:33:54,033 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 11:33:54,068 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 11:33:54,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 11:33:54,174 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 11:33:54,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 11:33:54,185 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 11:33:54,186 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:33:54 BoogieIcfgContainer [2022-02-20 11:33:54,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 11:33:54,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 11:33:54,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 11:33:54,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 11:33:54,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:33:53" (1/2) ... [2022-02-20 11:33:54,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f014111 and model type figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:33:54, skipping insertion in model container [2022-02-20 11:33:54,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:33:54" (2/2) ... [2022-02-20 11:33:54,195 INFO L111 eAbstractionObserver]: Analyzing ICFG figure3.wvr.bpl [2022-02-20 11:33:54,201 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 11:33:54,201 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 11:33:54,201 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 11:33:54,201 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 11:33:54,239 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 11:33:54,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 11:33:54,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:33:54,280 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 11:33:54,281 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 11:33:54,303 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 11:33:54,308 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 11:33:54,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 11:33:54,510 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 140 states. [2022-02-20 11:33:54,512 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:33:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:33:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 801295959, now seen corresponding path program 1 times [2022-02-20 11:33:54,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:33:54,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079326306] [2022-02-20 11:33:54,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:33:54,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:33:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:33:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 228 proven. 71 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 11:33:55,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:33:55,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079326306] [2022-02-20 11:33:55,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079326306] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:33:55,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462272386] [2022-02-20 11:33:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:33:55,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:33:55,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:33:55,265 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 11:33:55,266 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 11:33:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:33:55,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjunts are in the unsatisfiable core [2022-02-20 11:33:55,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:33:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 46 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:33:56,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:33:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 52 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:33:57,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462272386] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:33:57,124 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:33:57,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27, 27] total 73 [2022-02-20 11:33:57,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890824465] [2022-02-20 11:33:57,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:33:57,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-02-20 11:33:57,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:33:57,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-02-20 11:33:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1313, Invalid=4089, Unknown=0, NotChecked=0, Total=5402 [2022-02-20 11:33:57,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:33:57,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:33:57,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.2567567567567566) internal successors, (167), 73 states have internal predecessors, (167), 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 11:33:57,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:33:59,082 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 234 transitions and produced 195 states. [2022-02-20 11:33:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-02-20 11:33:59,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 11:33:59,283 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 11:33:59,284 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:33:59,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:33:59,284 INFO L85 PathProgramCache]: Analyzing trace with hash -529908519, now seen corresponding path program 2 times [2022-02-20 11:33:59,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:33:59,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408927711] [2022-02-20 11:33:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:33:59,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:33:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:33:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 119 proven. 528 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:33:59,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:33:59,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408927711] [2022-02-20 11:33:59,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408927711] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:33:59,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805196120] [2022-02-20 11:33:59,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 11:33:59,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:33:59,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:33:59,555 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 11:33:59,578 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 11:33:59,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 11:33:59,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:33:59,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-20 11:33:59,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:33:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 119 proven. 528 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:33:59,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:33:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 119 proven. 528 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:33:59,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805196120] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:33:59,896 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:33:59,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 19 [2022-02-20 11:33:59,897 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286576316] [2022-02-20 11:33:59,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:33:59,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-20 11:33:59,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:33:59,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-20 11:33:59,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-02-20 11:33:59,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:33:59,899 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:33:59,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 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 11:33:59,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-02-20 11:33:59,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:34:00,763 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 469 transitions and produced 383 states. [2022-02-20 11:34:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:34:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:34:00,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 11:34:00,967 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 11:34:00,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:34:00,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:34:00,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1846545467, now seen corresponding path program 3 times [2022-02-20 11:34:00,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:34:00,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698449181] [2022-02-20 11:34:00,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:34:00,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:34:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:34:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3226 backedges. 2548 proven. 662 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-20 11:34:02,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:34:02,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698449181] [2022-02-20 11:34:02,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698449181] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:34:02,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648628230] [2022-02-20 11:34:02,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 11:34:02,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:34:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:34:02,775 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 11:34:02,776 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 11:34:02,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 49 check-sat command(s) [2022-02-20 11:34:02,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:34:02,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 80 conjunts are in the unsatisfiable core [2022-02-20 11:34:02,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:34:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3226 backedges. 451 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:34:07,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:34:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3226 backedges. 457 proven. 2769 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:34:11,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648628230] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:34:11,140 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:34:11,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 80, 80] total 222 [2022-02-20 11:34:11,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054608430] [2022-02-20 11:34:11,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:34:11,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-20 11:34:11,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:34:11,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-20 11:34:11,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11285, Invalid=38221, Unknown=0, NotChecked=0, Total=49506 [2022-02-20 11:34:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:34:11,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:34:11,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 2.1300448430493275) internal successors, (475), 222 states have internal predecessors, (475), 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 11:34:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:34:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:34:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:34:22,845 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 654 transitions and produced 520 states. [2022-02-20 11:34:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:34:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:34:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-20 11:34:22,868 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 11:34:23,059 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 11:34:23,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:34:23,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:34:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash -744518043, now seen corresponding path program 4 times [2022-02-20 11:34:23,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:34:23,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369450751] [2022-02-20 11:34:23,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:34:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:34:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:34:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5626 backedges. 364 proven. 5253 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:34:24,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:34:24,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369450751] [2022-02-20 11:34:24,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369450751] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:34:24,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821619282] [2022-02-20 11:34:24,290 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 11:34:24,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:34:24,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:34:24,291 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 11:34:24,291 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 11:34:24,379 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 11:34:24,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:34:24,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 104 conjunts are in the unsatisfiable core [2022-02-20 11:34:24,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:34:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5626 backedges. 364 proven. 5253 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:34:24,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:34:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5626 backedges. 364 proven. 5253 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:34:25,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821619282] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:34:25,165 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:34:25,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 54] total 54 [2022-02-20 11:34:25,165 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341554890] [2022-02-20 11:34:25,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:34:25,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-20 11:34:25,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:34:25,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-20 11:34:25,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2022-02-20 11:34:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:34:25,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:34:25,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.12962962962963) internal successors, (223), 54 states have internal predecessors, (223), 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 11:34:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:34:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:34:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-20 11:34:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:34:32,859 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1386 transitions and produced 1084 states. [2022-02-20 11:34:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:34:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:34:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-20 11:34:32,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-02-20 11:34:32,877 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 11:34:33,061 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 11:34:33,062 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:34:33,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:34:33,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1624727971, now seen corresponding path program 5 times [2022-02-20 11:34:33,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:34:33,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329255484] [2022-02-20 11:34:33,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:34:33,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:34:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:34:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30293 backedges. 25273 proven. 4968 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-02-20 11:34:44,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:34:44,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329255484] [2022-02-20 11:34:44,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329255484] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:34:44,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44214365] [2022-02-20 11:34:44,047 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 11:34:44,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:34:44,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:34:44,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 11:34:44,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 11:34:44,332 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 140 check-sat command(s) [2022-02-20 11:34:44,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:34:44,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 235 conjunts are in the unsatisfiable core [2022-02-20 11:34:44,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:35:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30293 backedges. 3222 proven. 27071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:35:10,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:35:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30293 backedges. 3228 proven. 27065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:35:37,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44214365] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:35:37,631 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:35:37,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [184, 235, 235] total 651 [2022-02-20 11:35:37,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852240433] [2022-02-20 11:35:37,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:35:37,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 652 states [2022-02-20 11:35:37,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:35:37,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 652 interpolants. [2022-02-20 11:35:37,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96136, Invalid=328316, Unknown=0, NotChecked=0, Total=424452 [2022-02-20 11:35:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:35:37,669 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:35:37,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 652 states, 652 states have (on average 2.0996932515337425) internal successors, (1369), 651 states have internal predecessors, (1369), 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 11:35:37,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:35:37,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:35:37,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-02-20 11:35:37,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-02-20 11:35:37,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:37:57,327 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1938 transitions and produced 1522 states. [2022-02-20 11:37:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:37:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:37:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-20 11:37:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-02-20 11:37:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 542 states. [2022-02-20 11:37:57,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 11:37:57,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:37:57,530 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:37:57,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:37:57,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2089804015, now seen corresponding path program 6 times [2022-02-20 11:37:57,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:37:57,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600403275] [2022-02-20 11:37:57,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:37:57,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:37:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:38:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 51208 backedges. 1113 proven. 50086 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 11:38:07,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:38:07,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600403275] [2022-02-20 11:38:07,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600403275] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:38:07,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233725343] [2022-02-20 11:38:07,395 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 11:38:07,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:38:07,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:38:07,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 11:38:07,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 11:38:07,971 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 163 check-sat command(s) [2022-02-20 11:38:07,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:38:08,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 322 conjunts are in the unsatisfiable core [2022-02-20 11:38:08,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:38:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 51208 backedges. 25922 proven. 25286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:38:31,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:38:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 51208 backedges. 162 proven. 51046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:38:33,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233725343] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:38:33,321 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:38:33,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [161, 165, 165] total 327 [2022-02-20 11:38:33,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971261028] [2022-02-20 11:38:33,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:38:33,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 327 states [2022-02-20 11:38:33,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:38:33,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 327 interpolants. [2022-02-20 11:38:33,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27058, Invalid=79544, Unknown=0, NotChecked=0, Total=106602 [2022-02-20 11:38:33,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:38:33,331 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:38:33,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 327 states, 327 states have (on average 4.030581039755352) internal successors, (1318), 327 states have internal predecessors, (1318), 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 11:38:33,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:38:33,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:38:33,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-02-20 11:38:33,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-02-20 11:38:33,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 542 states. [2022-02-20 11:38:33,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:40:10,738 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3993 transitions and produced 3085 states. [2022-02-20 11:40:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-02-20 11:40:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 11:40:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-20 11:40:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-02-20 11:40:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 731 states. [2022-02-20 11:40:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-02-20 11:40:10,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 11:40:10,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:40:10,941 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:40:10,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:40:10,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1212969263, now seen corresponding path program 7 times [2022-02-20 11:40:10,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:40:10,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303406177] [2022-02-20 11:40:10,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:40:10,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:40:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:41:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 255700 backedges. 216009 proven. 39543 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-02-20 11:41:33,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:41:33,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303406177] [2022-02-20 11:41:33,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303406177] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:41:33,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783254562] [2022-02-20 11:41:33,574 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-20 11:41:33,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:41:33,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:41:33,576 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 11:41:33,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 11:41:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:41:34,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 674 conjunts are in the unsatisfiable core [2022-02-20 11:41:34,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 11:44:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 255700 backedges. 27778 proven. 227922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:44:59,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-20 11:46:06,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-20 11:46:06,394 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 11:46:06,394 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 11:46:06,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 11:46:06,404 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 11:46:06,574 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,SelfDestructingSolverStorable6 [2022-02-20 11:46:06,574 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1356 with TraceHistMax 460,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1369 known predicates. [2022-02-20 11:46:06,575 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-20 11:46:06,576 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-20 11:46:06,580 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-02-20 11:46:06,581 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 11:46:06,581 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 11:46:06,582 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 11:46:06 BasicIcfg [2022-02-20 11:46:06,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 11:46:06,583 INFO L158 Benchmark]: Toolchain (without parser) took 732641.97ms. Allocated memory was 185.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 143.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 762.4MB. Max. memory is 8.0GB. [2022-02-20 11:46:06,583 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 185.6MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 11:46:06,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.48ms. Allocated memory is still 185.6MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 11:46:06,584 INFO L158 Benchmark]: Boogie Preprocessor took 10.09ms. Allocated memory is still 185.6MB. Free memory was 142.0MB in the beginning and 141.0MB in the end (delta: 945.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 11:46:06,584 INFO L158 Benchmark]: RCFGBuilder took 212.27ms. Allocated memory is still 185.6MB. Free memory was 141.0MB in the beginning and 131.6MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 11:46:06,584 INFO L158 Benchmark]: TraceAbstraction took 732395.29ms. Allocated memory was 185.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 131.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 749.8MB. Max. memory is 8.0GB. [2022-02-20 11:46:06,585 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 0.16ms. Allocated memory is still 185.6MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.48ms. Allocated memory is still 185.6MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.09ms. Allocated memory is still 185.6MB. Free memory was 142.0MB in the beginning and 141.0MB in the end (delta: 945.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 212.27ms. Allocated memory is still 185.6MB. Free memory was 141.0MB in the beginning and 131.6MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 732395.29ms. Allocated memory was 185.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 131.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 749.8MB. 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: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1356 with TraceHistMax 460,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1369 known predicates. - TimeoutResultAtElement [Line: 47]: 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 1356 with TraceHistMax 460,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1369 known predicates. - TimeoutResultAtElement [Line: 47]: 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 1356 with TraceHistMax 460,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1369 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 732.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 259.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1299, 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, 2.7s SatisfiabilityAnalysisTime, 112.7s InterpolantComputationTime, 3348 NumberOfCodeBlocks, 3348 NumberOfCodeBlocksAsserted, 362 NumberOfCheckSat, 5004 ConstructedInterpolants, 0 QuantifiedInterpolants, 37237 SizeOfPredicates, 24 NumberOfNonLiveVariables, 4476 ConjunctsInSsa, 802 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 64288/273942 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