/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 23:58:06,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 23:58:06,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 23:58:06,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 23:58:06,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 23:58:06,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 23:58:06,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 23:58:06,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 23:58:06,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 23:58:06,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 23:58:06,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 23:58:06,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 23:58:06,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 23:58:06,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 23:58:06,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 23:58:06,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 23:58:06,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 23:58:06,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 23:58:06,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 23:58:06,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 23:58:06,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 23:58:06,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 23:58:06,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 23:58:06,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 23:58:06,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 23:58:06,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 23:58:06,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 23:58:06,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 23:58:06,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-01 23:58:06,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 23:58:06,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 23:58:06,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 23:58:06,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 23:58:06,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 23:58:06,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 23:58:06,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 23:58:06,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 23:58:06,688 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 23:58:06,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 23:58:06,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 23:58:06,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 23:58:06,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 23:58:06,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 23:58:06,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 23:58:06,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:58:06,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 23:58:06,691 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 23:58:06,692 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 23:58:06,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 23:58:06,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 23:58:06,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 23:58:06,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 23:58:06,881 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 23:58:06,887 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 23:58:06,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl [2022-03-01 23:58:06,888 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl' [2022-03-01 23:58:06,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 23:58:06,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 23:58:06,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 23:58:06,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 23:58:06,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 23:58:06,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,942 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 23:58:06,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 23:58:06,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 23:58:06,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 23:58:06,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 23:58:06,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 23:58:06,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 23:58:06,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 23:58:06,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 23:58:06,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/1) ... [2022-03-01 23:58:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:58:06,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:58:06,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 23:58:07,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 23:58:07,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-01 23:58:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 23:58:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 23:58:07,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-01 23:58:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 23:58:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 23:58:07,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 23:58:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 23:58:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 23:58:07,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-01 23:58:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 23:58:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 23:58:07,015 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-01 23:58:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-01 23:58:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-01 23:58:07,017 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 23:58:07,062 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 23:58:07,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 23:58:07,149 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 23:58:07,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 23:58:07,166 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 23:58:07,174 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:58:07 BoogieIcfgContainer [2022-03-01 23:58:07,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 23:58:07,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 23:58:07,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 23:58:07,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 23:58:07,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:58:06" (1/2) ... [2022-03-01 23:58:07,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f23ddc and model type buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 11:58:07, skipping insertion in model container [2022-03-01 23:58:07,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:58:07" (2/2) ... [2022-03-01 23:58:07,179 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult.wvr.bpl [2022-03-01 23:58:07,182 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 23:58:07,182 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 23:58:07,182 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 23:58:07,183 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 23:58:07,213 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-01 23:58:07,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 23:58:07,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:58:07,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-01 23:58:07,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-01 23:58:07,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 23:58:07,289 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=false, mMcrOverapproximateWrwc=false [2022-03-01 23:58:07,289 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-01 23:58:07,709 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1006 transitions and produced 792 states. [2022-03-01 23:58:07,711 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 23:58:07,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:58:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1395233696, now seen corresponding path program 1 times [2022-03-01 23:58:07,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:58:07,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492332388] [2022-03-01 23:58:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:58:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:58:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:58:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1114 proven. 1348 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-01 23:58:10,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:58:10,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492332388] [2022-03-01 23:58:10,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492332388] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:58:10,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945599545] [2022-03-01 23:58:10,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:58:10,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:58:10,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:58:10,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:58:10,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 23:58:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:58:10,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-01 23:58:10,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:58:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1177 proven. 1085 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-03-01 23:58:12,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:58:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1999 proven. 216 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2022-03-01 23:58:13,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945599545] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:58:13,521 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:58:13,521 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 42, 18] total 125 [2022-03-01 23:58:13,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778460733] [2022-03-01 23:58:13,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:58:13,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-03-01 23:58:13,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:58:13,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-03-01 23:58:13,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1679, Invalid=14071, Unknown=0, NotChecked=0, Total=15750 [2022-03-01 23:58:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:58:13,567 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:58:13,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 3.4682539682539684) internal successors, (437), 125 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 23:58:13,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:58:24,328 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1827 transitions and produced 1419 states. [2022-03-01 23:58:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2022-03-01 23:58:24,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-01 23:58:24,530 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 [2022-03-01 23:58:24,530 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 23:58:24,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:58:24,531 INFO L85 PathProgramCache]: Analyzing trace with hash 877508605, now seen corresponding path program 2 times [2022-03-01 23:58:24,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:58:24,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584371895] [2022-03-01 23:58:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:58:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:58:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:58:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5865 backedges. 3021 proven. 925 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2022-03-01 23:58:25,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:58:25,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584371895] [2022-03-01 23:58:25,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584371895] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:58:25,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782263411] [2022-03-01 23:58:25,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 23:58:25,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:58:25,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:58:25,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:58:25,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 23:58:25,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 23:58:25,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:58:25,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-01 23:58:25,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:58:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5865 backedges. 2673 proven. 925 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-03-01 23:58:27,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:58:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5865 backedges. 2673 proven. 925 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-03-01 23:58:30,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782263411] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:58:30,550 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:58:30,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 157 [2022-03-01 23:58:30,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64198195] [2022-03-01 23:58:30,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:58:30,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2022-03-01 23:58:30,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:58:30,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2022-03-01 23:58:30,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3315, Invalid=21491, Unknown=0, NotChecked=0, Total=24806 [2022-03-01 23:58:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:58:30,558 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:58:30,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 2.981012658227848) internal successors, (471), 157 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 23:58:30,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2022-03-01 23:58:30,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:58:39,331 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2475 transitions and produced 1919 states. [2022-03-01 23:58:39,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 330 states. [2022-03-01 23:58:39,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-01 23:58:39,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 23:58:39,543 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 [2022-03-01 23:58:39,544 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 23:58:39,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:58:39,545 INFO L85 PathProgramCache]: Analyzing trace with hash -386614491, now seen corresponding path program 3 times [2022-03-01 23:58:39,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:58:39,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412208670] [2022-03-01 23:58:39,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:58:39,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:58:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:58:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14363 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 13726 trivial. 0 not checked. [2022-03-01 23:58:39,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:58:39,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412208670] [2022-03-01 23:58:39,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412208670] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 23:58:39,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 23:58:39,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 23:58:39,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221482459] [2022-03-01 23:58:39,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 23:58:39,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 23:58:39,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:58:39,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 23:58:39,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 23:58:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:58:39,677 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:58:39,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 23:58:39,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 330 states. [2022-03-01 23:58:39,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-01 23:58:39,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:58:40,451 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3278 transitions and produced 2265 states. [2022-03-01 23:58:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-01 23:58:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-01 23:58:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:58:40,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 23:58:40,452 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 23:58:40,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:58:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1283946805, now seen corresponding path program 4 times [2022-03-01 23:58:40,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:58:40,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215242362] [2022-03-01 23:58:40,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:58:40,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:58:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:58:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 15925 backedges. 4682 proven. 10219 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-03-01 23:58:49,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:58:49,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215242362] [2022-03-01 23:58:49,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215242362] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:58:49,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220062310] [2022-03-01 23:58:49,227 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 23:58:49,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:58:49,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:58:49,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:58:49,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 23:58:49,387 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 23:58:49,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:58:49,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 89 conjunts are in the unsatisfiable core [2022-03-01 23:58:49,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:58:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 15925 backedges. 7204 proven. 4351 refuted. 0 times theorem prover too weak. 4370 trivial. 0 not checked. [2022-03-01 23:58:57,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:59:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 15925 backedges. 8378 proven. 3050 refuted. 0 times theorem prover too weak. 4497 trivial. 0 not checked. [2022-03-01 23:59:00,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220062310] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:59:00,767 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:59:00,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 88, 32] total 310 [2022-03-01 23:59:00,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122342301] [2022-03-01 23:59:00,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:59:00,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 311 states [2022-03-01 23:59:00,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:59:00,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 311 interpolants. [2022-03-01 23:59:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7924, Invalid=88486, Unknown=0, NotChecked=0, Total=96410 [2022-03-01 23:59:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:59:00,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:59:00,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 311 states, 311 states have (on average 2.8810289389067525) internal successors, (896), 310 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 23:59:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-01 23:59:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-01 23:59:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:59:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:59:33,257 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2922 transitions and produced 2232 states. [2022-03-01 23:59:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-01 23:59:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-01 23:59:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 23:59:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 418 states. [2022-03-01 23:59:33,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-01 23:59:33,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:59:33,467 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 23:59:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:59:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1422091902, now seen corresponding path program 5 times [2022-03-01 23:59:33,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:59:33,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60644] [2022-03-01 23:59:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:59:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:59:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:59:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14262 backedges. 5635 proven. 5282 refuted. 0 times theorem prover too weak. 3345 trivial. 0 not checked. [2022-03-01 23:59:40,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:59:40,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60644] [2022-03-01 23:59:40,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60644] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:59:40,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281179350] [2022-03-01 23:59:40,709 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 23:59:40,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:59:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:59:40,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:59:40,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 23:59:41,026 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 80 check-sat command(s) [2022-03-01 23:59:41,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:59:41,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 130 conjunts are in the unsatisfiable core [2022-03-01 23:59:41,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:59:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14262 backedges. 6365 proven. 6654 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-03-01 23:59:52,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:00:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14262 backedges. 6365 proven. 6654 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-03-02 00:00:01,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281179350] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:00:01,255 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:00:01,255 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [157, 129, 81] total 365 [2022-03-02 00:00:01,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319220051] [2022-03-02 00:00:01,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:00:01,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 366 states [2022-03-02 00:00:01,256 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:00:01,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 366 interpolants. [2022-03-02 00:00:01,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19169, Invalid=114421, Unknown=0, NotChecked=0, Total=133590 [2022-03-02 00:00:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:00:01,265 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:00:01,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 366 states, 366 states have (on average 3.1557377049180326) internal successors, (1155), 365 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:00:01,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-02 00:00:01,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-02 00:00:01,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 00:00:01,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 418 states. [2022-03-02 00:00:01,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:01:00,561 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5843 transitions and produced 3808 states. [2022-03-02 00:01:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-02 00:01:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-02 00:01:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 00:01:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 732 states. [2022-03-02 00:01:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-03-02 00:01:00,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 00:01:00,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:01:00,764 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 00:01:00,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:01:00,764 INFO L85 PathProgramCache]: Analyzing trace with hash 751577018, now seen corresponding path program 6 times [2022-03-02 00:01:00,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:01:00,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26608093] [2022-03-02 00:01:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:01:00,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:01:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:01:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 50974 backedges. 16912 proven. 29225 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2022-03-02 00:01:33,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:01:33,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26608093] [2022-03-02 00:01:33,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26608093] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:01:33,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153527760] [2022-03-02 00:01:33,017 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 00:01:33,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:01:33,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:01:33,018 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 00:01:33,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 00:01:35,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 176 check-sat command(s) [2022-03-02 00:01:35,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:01:35,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-02 00:01:35,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:01:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 50974 backedges. 30621 proven. 5020 refuted. 0 times theorem prover too weak. 15333 trivial. 0 not checked. [2022-03-02 00:01:46,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:01:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 50974 backedges. 30621 proven. 5020 refuted. 0 times theorem prover too weak. 15333 trivial. 0 not checked. [2022-03-02 00:01:52,640 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153527760] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:01:52,640 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:01:52,641 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [364, 69, 69] total 490 [2022-03-02 00:01:52,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373163451] [2022-03-02 00:01:52,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:01:52,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 491 states [2022-03-02 00:01:52,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:01:52,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 491 interpolants. [2022-03-02 00:01:52,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38898, Invalid=201692, Unknown=0, NotChecked=0, Total=240590 [2022-03-02 00:01:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:01:52,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:01:52,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 491 states, 491 states have (on average 2.409368635437882) internal successors, (1183), 490 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:01:52,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-02 00:01:52,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-02 00:01:52,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 00:01:52,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 732 states. [2022-03-02 00:01:52,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-03-02 00:01:52,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:00,102 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 15107 transitions and produced 9586 states. [2022-03-02 00:07:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2022-03-02 00:07:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-02 00:07:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 00:07:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 733 states. [2022-03-02 00:07:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-03-02 00:07:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1559 states. [2022-03-02 00:07:00,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 00:07:00,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:07:00,304 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 00:07:00,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:00,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1390475996, now seen corresponding path program 7 times [2022-03-02 00:07:00,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:00,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382118707] [2022-03-02 00:07:00,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:00,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-02 00:10:20,362 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-02 00:10:20,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-02 00:10:20,363 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2755 with TraceHistMax 616,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 856 known predicates. [2022-03-02 00:10:20,364 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-02 00:10:20,364 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-02 00:10:20,364 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-02 00:10:20,364 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-02 00:10:20,381 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-02 00:10:20,382 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:10:20,382 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:10:20,393 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:10:20 BasicIcfg [2022-03-02 00:10:20,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:10:20,393 INFO L158 Benchmark]: Toolchain (without parser) took 733479.70ms. Allocated memory was 222.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 182.0MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-03-02 00:10:20,393 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 183.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:10:20,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.17ms. Allocated memory is still 222.3MB. Free memory was 182.0MB in the beginning and 180.4MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-02 00:10:20,394 INFO L158 Benchmark]: Boogie Preprocessor took 10.73ms. Allocated memory is still 222.3MB. Free memory was 180.4MB in the beginning and 179.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:10:20,394 INFO L158 Benchmark]: RCFGBuilder took 218.09ms. Allocated memory is still 222.3MB. Free memory was 179.4MB in the beginning and 169.5MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 00:10:20,394 INFO L158 Benchmark]: TraceAbstraction took 733217.81ms. Allocated memory was 222.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 169.0MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-03-02 00:10:20,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 183.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.17ms. Allocated memory is still 222.3MB. Free memory was 182.0MB in the beginning and 180.4MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.73ms. Allocated memory is still 222.3MB. Free memory was 180.4MB in the beginning and 179.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 218.09ms. Allocated memory is still 222.3MB. Free memory was 179.4MB in the beginning and 169.5MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 733217.81ms. Allocated memory was 222.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 169.0MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 2.9GB. 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 2755 with TraceHistMax 616,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 856 known predicates. - TimeoutResultAtElement [Line: 73]: 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 2755 with TraceHistMax 616,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 856 known predicates. - TimeoutResultAtElement [Line: 73]: 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 2755 with TraceHistMax 616,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 856 known predicates. - TimeoutResultAtElement [Line: 74]: 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 2755 with TraceHistMax 616,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 856 known predicates. - TimeoutResultAtElement [Line: 75]: 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 2755 with TraceHistMax 616,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 856 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 733.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 419.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3298, 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, 3.8s SatisfiabilityAnalysisTime, 107.6s InterpolantComputationTime, 5364 NumberOfCodeBlocks, 5364 NumberOfCodeBlocksAsserted, 266 NumberOfCheckSat, 7781 ConstructedInterpolants, 0 QuantifiedInterpolants, 46931 SizeOfPredicates, 16 NumberOfNonLiveVariables, 6139 ConjunctsInSsa, 397 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 202093/282992 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