/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:33:59,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:33:59,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:33:59,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:33:59,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:33:59,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:33:59,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:33:59,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:33:59,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:33:59,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:33:59,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:33:59,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:33:59,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:33:59,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:33:59,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:33:59,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:33:59,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:33:59,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:33:59,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:33:59,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:33:59,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:33:59,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:33:59,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:33:59,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:33:59,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:33:59,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:33:59,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:33:59,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:33:59,852 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 [2022-03-16 06:33:59,881 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:33:59,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:33:59,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:33:59,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:33:59,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:33:59,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:33:59,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:33:59,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:33:59,884 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:33:59,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:33:59,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:33:59,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:33:59,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:33:59,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:33:59,887 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:33:59,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:34:00,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:34:00,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:34:00,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:34:00,090 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:34:00,093 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:34:00,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-03-16 06:34:00,094 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-03-16 06:34:00,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:34:00,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:34:00,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:34:00,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:34:00,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:34:00,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,133 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:34:00,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:34:00,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:34:00,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:34:00,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:34:00,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:34:00,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:34:00,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:34:00,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:34:00,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/1) ... [2022-03-16 06:34:00,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:34:00,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:34:00,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 06:34:00,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 06:34:00,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:34:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:34:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:34:00,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:34:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:34:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:34:00,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:34:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:34:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:34:00,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:34:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:34:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:34:00,227 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:34:00,263 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:34:00,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:34:00,339 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:34:00,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:34:00,348 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:34:00,350 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:34:00 BoogieIcfgContainer [2022-03-16 06:34:00,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:34:00,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:34:00,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:34:00,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:34:00,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:34:00" (1/2) ... [2022-03-16 06:34:00,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb83ba5 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:34:00, skipping insertion in model container [2022-03-16 06:34:00,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:34:00" (2/2) ... [2022-03-16 06:34:00,361 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-03-16 06:34:00,365 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:34:00,365 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:34:00,365 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:34:00,365 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:34:00,404 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:34:00,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:34:00,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:34:00,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 06:34:00,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 06:34:00,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:34:00,510 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 [2022-03-16 06:34:00,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:34:00,975 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2010 transitions and produced 1015 states. [2022-03-16 06:34:00,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:34:00,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:34:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash 860047133, now seen corresponding path program 1 times [2022-03-16 06:34:00,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:34:00,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107407414] [2022-03-16 06:34:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:34:00,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:34:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:34:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-03-16 06:34:01,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:34:01,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107407414] [2022-03-16 06:34:01,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107407414] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:34:01,291 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:34:01,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 06:34:01,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724472568] [2022-03-16 06:34:01,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:34:01,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 06:34:01,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:34:01,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 06:34:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 06:34:01,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:34:01,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:34:01,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:34:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:34:02,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5997 transitions and produced 2589 states. [2022-03-16 06:34:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:34:02,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 06:34:02,187 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:34:02,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:34:02,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1255744679, now seen corresponding path program 2 times [2022-03-16 06:34:02,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:34:02,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344647340] [2022-03-16 06:34:02,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:34:02,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:34:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:34:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 21 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:34:03,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:34:03,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344647340] [2022-03-16 06:34:03,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344647340] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:34:03,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390451855] [2022-03-16 06:34:03,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:34:03,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:34:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:34:03,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:34:03,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:34:03,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:34:03,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:34:03,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-16 06:34:03,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:34:06,331 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-03-16 06:34:06,332 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2022-03-16 06:34:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 21 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:34:06,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:34:08,922 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-03-16 06:34:08,923 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 79 treesize of output 383 [2022-03-16 06:34:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 37 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:34:22,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390451855] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:34:22,042 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:34:22,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 107 [2022-03-16 06:34:22,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555627831] [2022-03-16 06:34:22,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:34:22,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-03-16 06:34:22,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:34:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-03-16 06:34:22,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1071, Invalid=10271, Unknown=0, NotChecked=0, Total=11342 [2022-03-16 06:34:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:34:22,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:34:22,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.0373831775700935) internal successors, (218), 107 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:34:22,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:34:22,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:34:28,478 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4911 transitions and produced 2157 states. [2022-03-16 06:34:28,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:34:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-03-16 06:34:28,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:34:28,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 06:34:28,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:34:28,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:34:28,698 INFO L85 PathProgramCache]: Analyzing trace with hash -582364673, now seen corresponding path program 3 times [2022-03-16 06:34:28,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:34:28,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110797789] [2022-03-16 06:34:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:34:28,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:34:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:34:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 24 proven. 900 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-16 06:34:30,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:34:30,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110797789] [2022-03-16 06:34:30,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110797789] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:34:30,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248800108] [2022-03-16 06:34:30,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:34:30,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:34:30,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:34:30,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:34:30,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:34:30,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2022-03-16 06:34:30,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:34:30,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 95 conjunts are in the unsatisfiable core [2022-03-16 06:34:30,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:34:37,148 INFO L353 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2022-03-16 06:34:37,149 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2022-03-16 06:34:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 24 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:34:37,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:34:45,075 INFO L353 Elim1Store]: treesize reduction 1224, result has 44.5 percent of original size [2022-03-16 06:34:45,076 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 131 treesize of output 1035 [2022-03-16 06:37:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 57 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:37:56,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248800108] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:37:56,471 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:37:56,471 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 59, 59] total 167 [2022-03-16 06:37:56,471 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782046844] [2022-03-16 06:37:56,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:37:56,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2022-03-16 06:37:56,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:37:56,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2022-03-16 06:37:56,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2335, Invalid=25387, Unknown=0, NotChecked=0, Total=27722 [2022-03-16 06:37:56,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:37:56,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:37:56,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 1.9880239520958083) internal successors, (332), 167 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:37:56,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:37:56,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-03-16 06:37:56,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:38:12,408 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5629 transitions and produced 2481 states. [2022-03-16 06:38:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:38:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 06:38:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-16 06:38:12,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 06:38:12,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:38:12,627 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:38:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:38:12,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1493371673, now seen corresponding path program 4 times [2022-03-16 06:38:12,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:38:12,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52781330] [2022-03-16 06:38:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:38:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:38:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:38:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 27 proven. 1774 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 06:38:16,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:38:16,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52781330] [2022-03-16 06:38:16,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52781330] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:38:16,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405176868] [2022-03-16 06:38:16,561 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:38:16,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:38:16,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:38:16,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:38:16,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:38:16,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:38:16,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:38:16,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 132 conjunts are in the unsatisfiable core [2022-03-16 06:38:16,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:38:30,715 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-16 06:38:30,715 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 170 treesize of output 62 [2022-03-16 06:38:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 27 proven. 1780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:38:30,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:38:52,594 WARN L228 SmtUtils]: Spent 11.01s on a formula simplification. DAG size of input: 1582 DAG size of output: 854 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 06:38:52,597 INFO L353 Elim1Store]: treesize reduction 2496, result has 43.6 percent of original size [2022-03-16 06:38:52,598 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 183 treesize of output 2007 Received shutdown request... [2022-03-16 06:48:17,637 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:48:17,637 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:48:17,637 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:48:17,649 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 06:48:17,656 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 06:48:17,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 06:48:17,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:48:17,872 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 17ms.. [2022-03-16 06:48:17,873 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 06:48:17,873 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 06:48:17,874 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 06:48:17,877 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-03-16 06:48:17,879 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 06:48:17,879 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 06:48:17,880 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 06:48:17 BasicIcfg [2022-03-16 06:48:17,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 06:48:17,881 INFO L158 Benchmark]: Toolchain (without parser) took 857766.41ms. Allocated memory was 182.5MB in the beginning and 833.6MB in the end (delta: 651.2MB). Free memory was 140.7MB in the beginning and 417.0MB in the end (delta: -276.4MB). Peak memory consumption was 614.4MB. Max. memory is 8.0GB. [2022-03-16 06:48:17,881 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 06:48:17,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.63ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:48:17,882 INFO L158 Benchmark]: Boogie Preprocessor took 12.33ms. Allocated memory is still 182.5MB. Free memory was 139.1MB in the beginning and 138.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:48:17,882 INFO L158 Benchmark]: RCFGBuilder took 201.93ms. Allocated memory is still 182.5MB. Free memory was 138.1MB in the beginning and 128.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 06:48:17,882 INFO L158 Benchmark]: TraceAbstraction took 857529.34ms. Allocated memory was 182.5MB in the beginning and 833.6MB in the end (delta: 651.2MB). Free memory was 128.2MB in the beginning and 417.0MB in the end (delta: -288.9MB). Peak memory consumption was 601.8MB. Max. memory is 8.0GB. [2022-03-16 06:48:17,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.63ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.33ms. Allocated memory is still 182.5MB. Free memory was 139.1MB in the beginning and 138.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 201.93ms. Allocated memory is still 182.5MB. Free memory was 138.1MB in the beginning and 128.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 857529.34ms. Allocated memory was 182.5MB in the beginning and 833.6MB in the end (delta: 651.2MB). Free memory was 128.2MB in the beginning and 417.0MB in the end (delta: -288.9MB). Peak memory consumption was 601.8MB. 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 17ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 17ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 17ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 17ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 857.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 23.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 182, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 227.5s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 708 ConstructedInterpolants, 0 QuantifiedInterpolants, 25444 SizeOfPredicates, 36 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1257/4865 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