/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-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 11:59:18,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 11:59:18,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 11:59:18,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 11:59:18,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 11:59:18,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 11:59:18,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 11:59:18,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 11:59:18,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 11:59:18,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 11:59:18,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 11:59:18,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 11:59:18,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 11:59:18,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 11:59:18,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 11:59:18,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 11:59:18,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 11:59:18,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 11:59:18,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 11:59:18,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 11:59:18,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 11:59:18,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 11:59:18,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 11:59:18,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 11:59:18,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 11:59:18,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 11:59:18,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 11:59:18,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 11:59:18,677 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 [2022-03-04 11:59:18,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 11:59:18,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 11:59:18,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 11:59:18,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 11:59:18,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 11:59:18,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 11:59:18,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 11:59:18,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 11:59:18,690 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 11:59:18,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 11:59:18,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 11:59:18,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:59:18,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 11:59:18,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 11:59:18,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 11:59:18,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 11:59:18,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 11:59:18,693 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 11:59:18,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 11:59:18,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 11:59:18,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 11:59:18,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 11:59:18,897 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 11:59:18,897 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 11:59:18,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2022-03-04 11:59:18,899 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2022-03-04 11:59:18,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 11:59:18,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 11:59:18,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 11:59:18,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 11:59:18,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 11:59:18,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,937 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 11:59:18,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 11:59:18,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 11:59:18,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 11:59:18,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 11:59:18,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 11:59:18,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 11:59:18,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 11:59:18,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 11:59:18,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/1) ... [2022-03-04 11:59:18,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:59:18,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:59:18,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 11:59:18,988 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 [2022-03-04 11:59:19,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 11:59:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 11:59:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 11:59:19,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 11:59:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 11:59:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 11:59:19,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 11:59:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 11:59:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 11:59:19,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 11:59:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 11:59:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 11:59:19,011 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 11:59:19,044 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 11:59:19,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 11:59:19,133 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 11:59:19,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 11:59:19,143 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 11:59:19,144 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:59:19 BoogieIcfgContainer [2022-03-04 11:59:19,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 11:59:19,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 11:59:19,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 11:59:19,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 11:59:19,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:59:18" (1/2) ... [2022-03-04 11:59:19,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dc06fc and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:59:19, skipping insertion in model container [2022-03-04 11:59:19,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:59:19" (2/2) ... [2022-03-04 11:59:19,150 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2022-03-04 11:59:19,153 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 11:59:19,153 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 11:59:19,153 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 11:59:19,153 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 11:59:19,191 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 11:59:19,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 11:59:19,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:59:19,222 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) [2022-03-04 11:59:19,223 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 [2022-03-04 11:59:19,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 11:59:19,279 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 [2022-03-04 11:59:19,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 11:59:19,507 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 355 transitions and produced 322 states. [2022-03-04 11:59:19,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:59:19,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:59:19,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1946389236, now seen corresponding path program 1 times [2022-03-04 11:59:19,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:59:19,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539363062] [2022-03-04 11:59:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:59:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:59:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:59:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 477 proven. 576 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-04 11:59:20,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:59:20,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539363062] [2022-03-04 11:59:20,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539363062] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:59:20,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916458760] [2022-03-04 11:59:20,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:59:20,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:59:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:59:20,440 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) [2022-03-04 11:59:20,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 11:59:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:59:20,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-04 11:59:20,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:59:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 516 proven. 537 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-04 11:59:21,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:59:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 633 proven. 428 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 11:59:22,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916458760] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:59:22,586 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:59:22,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 42] total 92 [2022-03-04 11:59:22,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548635168] [2022-03-04 11:59:22,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:59:22,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-03-04 11:59:22,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:59:22,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-03-04 11:59:22,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2240, Invalid=6132, Unknown=0, NotChecked=0, Total=8372 [2022-03-04 11:59:22,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:22,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:59:22,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.4347826086956523) internal successors, (224), 92 states have internal predecessors, (224), 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) [2022-03-04 11:59:22,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:25,827 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 634 transitions and produced 606 states. [2022-03-04 11:59:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:59:25,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 11:59:26,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 11:59:26,037 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:59:26,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:59:26,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1593593188, now seen corresponding path program 2 times [2022-03-04 11:59:26,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:59:26,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151999045] [2022-03-04 11:59:26,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:59:26,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:59:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:59:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1169 proven. 1736 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:59:27,633 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:59:27,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151999045] [2022-03-04 11:59:27,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151999045] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:59:27,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796081050] [2022-03-04 11:59:27,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:59:27,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:59:27,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:59:27,635 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) [2022-03-04 11:59:27,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 11:59:27,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:59:27,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:59:27,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-04 11:59:27,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:59:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1236 proven. 1669 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:59:29,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:59:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1073 proven. 1840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:59:32,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796081050] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:59:32,136 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:59:32,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 84] total 164 [2022-03-04 11:59:32,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835967395] [2022-03-04 11:59:32,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:59:32,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2022-03-04 11:59:32,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:59:32,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2022-03-04 11:59:32,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5285, Invalid=21447, Unknown=0, NotChecked=0, Total=26732 [2022-03-04 11:59:32,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:32,150 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:59:32,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 2.2439024390243905) internal successors, (368), 164 states have internal predecessors, (368), 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) [2022-03-04 11:59:32,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:59:32,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:38,092 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 835 transitions and produced 797 states. [2022-03-04 11:59:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:59:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:59:38,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 11:59:38,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:59:38,310 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:59:38,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:59:38,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1951260260, now seen corresponding path program 3 times [2022-03-04 11:59:38,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:59:38,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839470466] [2022-03-04 11:59:38,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:59:38,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:59:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:59:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2289 proven. 2683 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:59:41,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:59:41,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839470466] [2022-03-04 11:59:41,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839470466] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:59:41,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070341974] [2022-03-04 11:59:41,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:59:41,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:59:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:59:41,007 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) [2022-03-04 11:59:41,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 11:59:43,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 59 check-sat command(s) [2022-03-04 11:59:43,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:59:43,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-04 11:59:43,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:59:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2384 proven. 2588 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:59:45,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:59:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2025 proven. 2955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:59:49,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070341974] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:59:49,632 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:59:49,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 107] total 222 [2022-03-04 11:59:49,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722464220] [2022-03-04 11:59:49,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:59:49,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-03-04 11:59:49,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:59:49,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-03-04 11:59:49,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10115, Invalid=38947, Unknown=0, NotChecked=0, Total=49062 [2022-03-04 11:59:49,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:49,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:59:49,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 2.1576576576576576) internal successors, (479), 222 states have internal predecessors, (479), 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) [2022-03-04 11:59:49,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:59:49,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:59:49,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:59,351 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1097 transitions and produced 1044 states. [2022-03-04 11:59:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:59:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:59:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:59:59,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 11:59:59,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:59:59,552 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:59:59,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:59:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1861312314, now seen corresponding path program 4 times [2022-03-04 11:59:59,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:59:59,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670583777] [2022-03-04 11:59:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:59:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:59:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:00:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3801 proven. 5235 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:00:03,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:00:03,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670583777] [2022-03-04 12:00:03,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670583777] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:00:03,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952805513] [2022-03-04 12:00:03,293 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 12:00:03,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:00:03,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:00:03,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:00:03,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 12:00:03,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 12:00:03,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:00:03,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-04 12:00:03,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:00:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3924 proven. 5112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:00:09,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:00:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3369 proven. 5675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:00:16,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952805513] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:00:16,519 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:00:16,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 143] total 273 [2022-03-04 12:00:16,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530099315] [2022-03-04 12:00:16,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:00:16,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-03-04 12:00:16,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:00:16,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-03-04 12:00:16,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14568, Invalid=59688, Unknown=0, NotChecked=0, Total=74256 [2022-03-04 12:00:16,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:00:16,538 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:00:16,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 2.1465201465201464) internal successors, (586), 273 states have internal predecessors, (586), 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) [2022-03-04 12:00:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:00:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:00:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:00:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:00:35,851 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1283 transitions and produced 1223 states. [2022-03-04 12:00:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:00:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:00:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:00:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:00:35,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 12:00:36,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:00:36,070 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:00:36,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:00:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1153497356, now seen corresponding path program 5 times [2022-03-04 12:00:36,071 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:00:36,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578979782] [2022-03-04 12:00:36,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:00:36,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:00:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:00:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5705 proven. 6323 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:00:41,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:00:41,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578979782] [2022-03-04 12:00:41,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578979782] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:00:41,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589387433] [2022-03-04 12:00:41,729 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 12:00:41,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:00:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:00:41,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:00:41,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 12:00:42,162 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 87 check-sat command(s) [2022-03-04 12:00:42,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:00:42,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 162 conjunts are in the unsatisfiable core [2022-03-04 12:00:42,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:00:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5856 proven. 6172 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:00:50,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:01:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5105 proven. 6931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:01:00,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589387433] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:01:00,045 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:01:00,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [155, 155, 163] total 334 [2022-03-04 12:01:00,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18381933] [2022-03-04 12:01:00,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:01:00,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2022-03-04 12:01:00,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:01:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2022-03-04 12:01:00,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23093, Invalid=88129, Unknown=0, NotChecked=0, Total=111222 [2022-03-04 12:01:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:01:00,056 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:01:00,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 334 states, 334 states have (on average 2.104790419161677) internal successors, (703), 334 states have internal predecessors, (703), 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) [2022-03-04 12:01:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:01:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:01:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:01:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:01:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:01:21,476 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1545 transitions and produced 1470 states. [2022-03-04 12:01:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:01:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:01:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:01:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:01:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:01:21,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 12:01:21,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:01:21,688 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:01:21,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:01:21,688 INFO L85 PathProgramCache]: Analyzing trace with hash -489899690, now seen corresponding path program 6 times [2022-03-04 12:01:21,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:01:21,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436858090] [2022-03-04 12:01:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:01:21,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:01:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:01:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8001 proven. 10107 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:01:30,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:01:30,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436858090] [2022-03-04 12:01:30,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436858090] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:01:30,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131736088] [2022-03-04 12:01:30,383 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 12:01:30,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:01:30,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:01:30,395 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:01:30,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 12:01:32,544 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 101 check-sat command(s) [2022-03-04 12:01:32,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:01:32,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 198 conjunts are in the unsatisfiable core [2022-03-04 12:01:32,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:01:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8180 proven. 9928 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:01:43,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:01:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 7233 proven. 10883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:01:55,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131736088] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:01:55,542 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:01:55,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 199] total 385 [2022-03-04 12:01:55,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879954820] [2022-03-04 12:01:55,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:01:55,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 385 states [2022-03-04 12:01:55,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:01:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 385 interpolants. [2022-03-04 12:01:55,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29702, Invalid=118138, Unknown=0, NotChecked=0, Total=147840 [2022-03-04 12:01:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:01:55,555 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:01:55,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 385 states, 385 states have (on average 2.103896103896104) internal successors, (810), 385 states have internal predecessors, (810), 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) [2022-03-04 12:01:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:01:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:01:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:01:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:01:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:01:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:02:34,650 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1731 transitions and produced 1649 states. [2022-03-04 12:02:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:02:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:02:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:02:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:02:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:02:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:02:34,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 12:02:34,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:02:34,896 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:02:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:02:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1772113796, now seen corresponding path program 7 times [2022-03-04 12:02:34,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:02:34,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94943546] [2022-03-04 12:02:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:02:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:02:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:02:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10689 proven. 11531 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:02:42,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:02:42,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94943546] [2022-03-04 12:02:42,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94943546] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:02:42,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514094156] [2022-03-04 12:02:42,408 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 12:02:42,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:02:42,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:02:42,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:02:42,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 12:02:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:02:42,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 218 conjunts are in the unsatisfiable core [2022-03-04 12:02:42,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:02:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10896 proven. 11324 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:02:54,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:03:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 9753 proven. 12475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:03:07,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514094156] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:03:07,021 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:03:07,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 211, 219] total 446 [2022-03-04 12:03:07,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479621797] [2022-03-04 12:03:07,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:03:07,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 446 states [2022-03-04 12:03:07,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:03:07,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 446 interpolants. [2022-03-04 12:03:07,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41559, Invalid=156911, Unknown=0, NotChecked=0, Total=198470 [2022-03-04 12:03:07,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:03:07,041 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:03:07,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 446 states, 446 states have (on average 2.07847533632287) internal successors, (927), 446 states have internal predecessors, (927), 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) [2022-03-04 12:03:07,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:03:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:03:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:03:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:03:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:03:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:03:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:03:53,545 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1993 transitions and produced 1896 states. [2022-03-04 12:03:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:03:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:03:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:03:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:03:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:03:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:03:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:03:53,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 12:03:53,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-04 12:03:53,764 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:03:53,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:03:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1138422246, now seen corresponding path program 8 times [2022-03-04 12:03:53,765 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:03:53,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344724674] [2022-03-04 12:03:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:03:53,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:03:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:04:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 13769 proven. 16547 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:04:07,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:04:07,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344724674] [2022-03-04 12:04:07,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344724674] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:04:07,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998653117] [2022-03-04 12:04:07,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 12:04:07,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:04:07,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:04:07,511 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:04:07,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 12:04:07,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 12:04:07,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:04:07,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 254 conjunts are in the unsatisfiable core [2022-03-04 12:04:07,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:04:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 14004 proven. 16312 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:04:23,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:04:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 12665 proven. 17659 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:04:35,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998653117] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:04:35,649 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:04:35,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 255] total 497 [2022-03-04 12:04:35,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14342187] [2022-03-04 12:04:35,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:04:35,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 497 states [2022-03-04 12:04:35,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:04:35,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 497 interpolants. [2022-03-04 12:04:35,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50324, Invalid=196188, Unknown=0, NotChecked=0, Total=246512 [2022-03-04 12:04:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:04:35,669 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:04:35,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 497 states, 497 states have (on average 2.080482897384306) internal successors, (1034), 497 states have internal predecessors, (1034), 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) [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:04:35,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:05:37,172 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2179 transitions and produced 2075 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:05:37,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-04 12:05:37,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:05:37,400 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:05:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:05:37,400 INFO L85 PathProgramCache]: Analyzing trace with hash 934393876, now seen corresponding path program 9 times [2022-03-04 12:05:37,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:05:37,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549997541] [2022-03-04 12:05:37,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:05:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:05:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:05:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17241 proven. 18307 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:05:52,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:05:52,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549997541] [2022-03-04 12:05:52,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549997541] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:05:52,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180162274] [2022-03-04 12:05:52,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 12:05:52,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:05:52,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:05:52,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:05:52,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 12:06:27,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 143 check-sat command(s) [2022-03-04 12:06:27,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:06:27,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 304 conjunts are in the unsatisfiable core [2022-03-04 12:06:27,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:06:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17504 proven. 18044 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:06:45,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:07:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 15969 proven. 19587 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:07:06,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180162274] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:07:06,524 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:07:06,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [267, 267, 275] total 558 [2022-03-04 12:07:06,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244008778] [2022-03-04 12:07:06,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:07:06,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 558 states [2022-03-04 12:07:06,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:07:06,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 558 interpolants. [2022-03-04 12:07:06,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65513, Invalid=245293, Unknown=0, NotChecked=0, Total=310806 [2022-03-04 12:07:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:07:06,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:07:06,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 558 states, 558 states have (on average 2.0627240143369177) internal successors, (1151), 558 states have internal predecessors, (1151), 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) [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:07:06,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:08:19,715 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2441 transitions and produced 2322 states. [2022-03-04 12:08:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:08:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:08:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:08:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:08:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:08:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:08:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:08:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:08:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:08:19,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-04 12:08:19,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-04 12:08:19,936 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:08:19,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:08:19,936 INFO L85 PathProgramCache]: Analyzing trace with hash 746146422, now seen corresponding path program 10 times [2022-03-04 12:08:19,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:08:19,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830914815] [2022-03-04 12:08:19,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:08:19,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:08:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:08:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21105 proven. 24555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:08:36,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:08:36,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830914815] [2022-03-04 12:08:36,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830914815] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:08:36,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682164240] [2022-03-04 12:08:36,586 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 12:08:36,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:08:36,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:08:36,588 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:08:36,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 12:08:36,836 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 12:08:36,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:08:36,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 310 conjunts are in the unsatisfiable core [2022-03-04 12:08:36,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:09:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21396 proven. 24264 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:09:02,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:09:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 19665 proven. 26003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:09:25,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682164240] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:09:25,133 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:09:25,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [303, 303, 311] total 609 [2022-03-04 12:09:25,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671640426] [2022-03-04 12:09:25,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:09:25,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 609 states [2022-03-04 12:09:25,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:09:25,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 609 interpolants. [2022-03-04 12:09:25,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76434, Invalid=293838, Unknown=0, NotChecked=0, Total=370272 [2022-03-04 12:09:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:09:25,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:09:25,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 609 states, 609 states have (on average 2.0656814449917897) internal successors, (1258), 609 states have internal predecessors, (1258), 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) [2022-03-04 12:09:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:09:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:09:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:09:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:09:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:09:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:09:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:09:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:09:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:09:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:10:53,932 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2627 transitions and produced 2501 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:10:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:10:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:10:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:10:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 760 states. [2022-03-04 12:10:53,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-04 12:10:54,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-04 12:10:54,160 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:10:54,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:10:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1572028580, now seen corresponding path program 11 times [2022-03-04 12:10:54,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:10:54,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494639009] [2022-03-04 12:10:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:10:54,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:10:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:11:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 52020 backedges. 25361 proven. 26651 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:11:13,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:11:13,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494639009] [2022-03-04 12:11:13,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494639009] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:11:13,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784658456] [2022-03-04 12:11:13,539 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 12:11:13,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:11:13,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:11:13,541 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 12:11:13,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 12:11:16,813 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 171 check-sat command(s) [2022-03-04 12:11:16,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:11:16,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 330 conjunts are in the unsatisfiable core [2022-03-04 12:11:16,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:11:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 52020 backedges. 25680 proven. 26332 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:11:44,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:12:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 52020 backedges. 23753 proven. 28267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:12:08,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784658456] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:12:08,803 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:12:08,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [323, 323, 331] total 670 [2022-03-04 12:12:08,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908773216] [2022-03-04 12:12:08,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:12:08,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 670 states [2022-03-04 12:12:08,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:12:08,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 670 interpolants. [2022-03-04 12:12:08,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94955, Invalid=353275, Unknown=0, NotChecked=0, Total=448230 [2022-03-04 12:12:08,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:12:08,848 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:12:08,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 670 states, 670 states have (on average 2.0522388059701493) internal successors, (1375), 670 states have internal predecessors, (1375), 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) [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 760 states. [2022-03-04 12:12:08,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-04 12:13:27,031 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 [2022-03-04 12:13:27,031 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 12:13:27,031 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 [2022-03-04 12:13:27,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-04 12:13:27,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-04 12:13:27,310 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1114 known predicates. [2022-03-04 12:13:27,312 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 12:13:27,313 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 12:13:27,313 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 12:13:27,313 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 12:13:27,335 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-03-04 12:13:27,341 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 12:13:27,341 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 12:13:27,344 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:13:27 BasicIcfg [2022-03-04 12:13:27,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 12:13:27,345 INFO L158 Benchmark]: Toolchain (without parser) took 848426.93ms. Allocated memory was 190.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 150.6MB in the beginning and 650.4MB in the end (delta: -499.8MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-04 12:13:27,345 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 12:13:27,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.87ms. Allocated memory is still 190.8MB. Free memory was 150.5MB in the beginning and 149.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 12:13:27,346 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 190.8MB. Free memory was 149.0MB in the beginning and 148.0MB in the end (delta: 985.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 12:13:27,346 INFO L158 Benchmark]: RCFGBuilder took 186.55ms. Allocated memory is still 190.8MB. Free memory was 147.9MB in the beginning and 138.5MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 12:13:27,348 INFO L158 Benchmark]: TraceAbstraction took 848199.16ms. Allocated memory was 190.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 138.0MB in the beginning and 650.4MB in the end (delta: -512.5MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-04 12:13:27,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.87ms. Allocated memory is still 190.8MB. Free memory was 150.5MB in the beginning and 149.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.06ms. Allocated memory is still 190.8MB. Free memory was 149.0MB in the beginning and 148.0MB in the end (delta: 985.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 186.55ms. Allocated memory is still 190.8MB. Free memory was 147.9MB in the beginning and 138.5MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 848199.16ms. Allocated memory was 190.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 138.0MB in the beginning and 650.4MB in the end (delta: -512.5MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1114 known predicates. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1114 known predicates. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1114 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1114 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 848.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 447.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5054, 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, 46.0s SatisfiabilityAnalysisTime, 351.4s InterpolantComputationTime, 8708 NumberOfCodeBlocks, 8708 NumberOfCodeBlocksAsserted, 580 NumberOfCheckSat, 13029 ConstructedInterpolants, 0 QuantifiedInterpolants, 91828 SizeOfPredicates, 66 NumberOfNonLiveVariables, 10918 ConjunctsInSsa, 2152 ConjunctsInUnsatCore, 33 InterpolantComputations, 0 PerfectInterpolantSequences, 322614/701850 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