/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:24:39,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:24:39,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:24:39,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:24:39,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:24:39,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:24:39,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:24:39,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:24:39,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:24:39,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:24:39,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:24:39,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:24:39,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:24:39,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:24:39,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:24:39,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:24:39,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:24:39,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:24:39,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:24:39,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:24:39,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:24:39,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:24:39,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:24:39,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:24:39,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:24:39,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:24:39,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:24:39,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:24:39,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:24:39,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:24:39,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:24:39,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:24:39,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:24:39,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:24:39,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:24:39,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:24:39,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:24:39,847 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:24:39,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:24:39,848 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:24:39,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:24:39,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:24:39,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:24:39,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:24:39,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:24:39,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:24:39,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:24:39,849 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:24:39,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:24:40,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:24:40,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:24:40,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:24:40,044 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:24:40,045 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:24:40,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2022-03-16 22:24:40,046 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2022-03-16 22:24:40,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:24:40,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:24:40,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:24:40,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:24:40,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:24:40,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,100 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:24:40,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:24:40,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:24:40,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:24:40,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:24:40,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:24:40,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:24:40,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:24:40,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:24:40,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/1) ... [2022-03-16 22:24:40,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:24:40,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:24:40,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 22:24:40,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 22:24:40,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:24:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:24:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:24:40,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:24:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:24:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:24:40,169 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:24:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:24:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:24:40,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:24:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:24:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:24:40,172 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:24:40,208 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:24:40,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:24:40,278 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:24:40,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:24:40,289 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:24:40,290 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:24:40 BoogieIcfgContainer [2022-03-16 22:24:40,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:24:40,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:24:40,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:24:40,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:24:40,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:24:40" (1/2) ... [2022-03-16 22:24:40,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522545b9 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:24:40, skipping insertion in model container [2022-03-16 22:24:40,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:24:40" (2/2) ... [2022-03-16 22:24:40,295 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2022-03-16 22:24:40,298 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:24:40,298 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:24:40,298 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:24:40,298 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:24:40,321 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 22:24:40,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:24:40,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:24:40,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 22:24:40,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 22:24:40,407 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:24:40,411 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:24:40,412 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 22:24:40,771 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 730 transitions and produced 680 states. [2022-03-16 22:24:40,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:24:40,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:24:40,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1552681189, now seen corresponding path program 1 times [2022-03-16 22:24:40,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:24:40,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959836162] [2022-03-16 22:24:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:24:40,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:24:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:24:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 1882 proven. 0 refuted. 0 times theorem prover too weak. 1909 trivial. 0 not checked. [2022-03-16 22:24:41,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:24:41,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959836162] [2022-03-16 22:24:41,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959836162] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:24:41,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:24:41,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:24:41,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136758748] [2022-03-16 22:24:41,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:24:41,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:24:41,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:24:41,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:24:41,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:24:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:24:41,191 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:24:41,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:24:41,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:24:41,592 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1786 transitions and produced 1602 states. [2022-03-16 22:24:41,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:24:41,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:24:41,593 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:24:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:24:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1882157885, now seen corresponding path program 2 times [2022-03-16 22:24:41,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:24:41,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81387180] [2022-03-16 22:24:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:24:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:24:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:24:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17725 backedges. 0 proven. 12843 refuted. 0 times theorem prover too weak. 4882 trivial. 0 not checked. [2022-03-16 22:24:42,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:24:42,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81387180] [2022-03-16 22:24:42,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81387180] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:24:42,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527532619] [2022-03-16 22:24:42,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:24:42,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:24:42,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:24:42,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:24:42,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:24:42,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:24:42,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:24:42,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 115 conjunts are in the unsatisfiable core [2022-03-16 22:24:42,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:24:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 17725 backedges. 17594 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-03-16 22:24:46,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:24:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 17725 backedges. 17594 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-03-16 22:24:49,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527532619] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:24:49,689 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:24:49,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 78, 78] total 172 [2022-03-16 22:24:49,690 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973518744] [2022-03-16 22:24:49,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:24:49,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2022-03-16 22:24:49,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:24:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2022-03-16 22:24:49,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11373, Invalid=18383, Unknown=0, NotChecked=0, Total=29756 [2022-03-16 22:24:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:24:49,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:24:49,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 4.705202312138728) internal successors, (814), 172 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:24:49,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:24:49,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:25:11,073 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8038 transitions and produced 6300 states. [2022-03-16 22:25:11,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:25:11,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-03-16 22:25:11,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 22:25:11,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 22:25:11,294 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:25:11,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:25:11,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2020241097, now seen corresponding path program 3 times [2022-03-16 22:25:11,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:25:11,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835059267] [2022-03-16 22:25:11,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:25:11,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:25:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:25:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 332696 backedges. 1324 proven. 290903 refuted. 0 times theorem prover too weak. 40469 trivial. 0 not checked. [2022-03-16 22:25:13,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:25:13,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835059267] [2022-03-16 22:25:13,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835059267] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:25:13,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165720483] [2022-03-16 22:25:13,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:25:13,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:25:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:25:13,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:25:13,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:25:23,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 185 check-sat command(s) [2022-03-16 22:25:23,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:25:23,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 2649 conjuncts, 360 conjunts are in the unsatisfiable core [2022-03-16 22:25:23,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:25:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 332696 backedges. 189795 proven. 14827 refuted. 0 times theorem prover too weak. 128074 trivial. 0 not checked. [2022-03-16 22:25:30,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:25:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 332696 backedges. 189795 proven. 14827 refuted. 0 times theorem prover too weak. 128074 trivial. 0 not checked. [2022-03-16 22:25:33,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165720483] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:25:33,119 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:25:33,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 116, 116] total 150 [2022-03-16 22:25:33,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104595277] [2022-03-16 22:25:33,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:25:33,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2022-03-16 22:25:33,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:25:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2022-03-16 22:25:33,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6971, Invalid=15379, Unknown=0, NotChecked=0, Total=22350 [2022-03-16 22:25:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:25:33,137 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:25:33,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 6.42) internal successors, (963), 150 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:25:33,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:25:33,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-03-16 22:25:33,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:26:07,841 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11934 transitions and produced 9244 states. [2022-03-16 22:26:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:26:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-03-16 22:26:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-16 22:26:07,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:26:08,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:26:08,050 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:26:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:26:08,053 INFO L85 PathProgramCache]: Analyzing trace with hash 931760113, now seen corresponding path program 4 times [2022-03-16 22:26:08,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:26:08,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913744458] [2022-03-16 22:26:08,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:26:08,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:26:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:26:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 744877 backedges. 1860 proven. 671766 refuted. 0 times theorem prover too weak. 71251 trivial. 0 not checked. [2022-03-16 22:26:11,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:26:11,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913744458] [2022-03-16 22:26:11,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913744458] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:26:11,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412268762] [2022-03-16 22:26:11,115 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:26:11,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:26:11,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:26:11,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:26:11,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:26:12,303 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:26:12,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:26:12,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 6735 conjuncts, 825 conjunts are in the unsatisfiable core [2022-03-16 22:26:12,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:27:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 744877 backedges. 717945 proven. 26505 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-03-16 22:27:18,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:28:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 744877 backedges. 717945 proven. 26505 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-03-16 22:28:01,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412268762] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:28:01,034 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:28:01,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 500, 500] total 892 [2022-03-16 22:28:01,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843261944] [2022-03-16 22:28:01,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:28:01,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 893 states [2022-03-16 22:28:01,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:28:01,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 893 interpolants. [2022-03-16 22:28:01,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361763, Invalid=434793, Unknown=0, NotChecked=0, Total=796556 [2022-03-16 22:28:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:28:01,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:28:01,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 893 states, 893 states have (on average 5.159014557670773) internal successors, (4607), 892 states have internal predecessors, (4607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:28:01,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:28:01,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-03-16 22:28:01,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 554 states. [2022-03-16 22:28:01,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 22:38:35,903 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:38:35,903 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:38:35,904 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 22:38:36,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 22:38:36,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 22:38:36,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2022-03-16 22:38:37,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:38:37,048 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 2265 known predicates. [2022-03-16 22:38:37,050 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 22:38:37,050 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 22:38:37,050 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 22:38:37,050 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 22:38:37,055 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-03-16 22:38:37,056 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:38:37,056 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:38:37,058 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:38:37 BasicIcfg [2022-03-16 22:38:37,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:38:37,058 INFO L158 Benchmark]: Toolchain (without parser) took 836978.99ms. Allocated memory was 164.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 126.3MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-16 22:38:37,059 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:38:37,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.74ms. Allocated memory is still 164.6MB. Free memory was 126.2MB in the beginning and 124.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 22:38:37,067 INFO L158 Benchmark]: Boogie Preprocessor took 10.69ms. Allocated memory is still 164.6MB. Free memory was 124.7MB in the beginning and 123.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:38:37,067 INFO L158 Benchmark]: RCFGBuilder took 175.20ms. Allocated memory is still 164.6MB. Free memory was 123.6MB in the beginning and 114.0MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 22:38:37,068 INFO L158 Benchmark]: TraceAbstraction took 836766.91ms. Allocated memory was 164.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 113.5MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-16 22:38:37,069 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 0.09ms. Allocated memory is still 164.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.74ms. Allocated memory is still 164.6MB. Free memory was 126.2MB in the beginning and 124.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.69ms. Allocated memory is still 164.6MB. Free memory was 124.7MB in the beginning and 123.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 175.20ms. Allocated memory is still 164.6MB. Free memory was 123.6MB in the beginning and 114.0MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 836766.91ms. Allocated memory was 164.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 113.5MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.2GB. 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: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 2265 known predicates. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 2265 known predicates. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 2265 known predicates. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 2265 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 836.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 692.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2304, 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: 0.4s SsaConstructionTime, 11.3s SatisfiabilityAnalysisTime, 131.0s InterpolantComputationTime, 10889 NumberOfCodeBlocks, 9977 NumberOfCodeBlocksAsserted, 192 NumberOfCheckSat, 16210 ConstructedInterpolants, 0 QuantifiedInterpolants, 154979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10379 ConjunctsInSsa, 1300 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 2231495/3289685 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