/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/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1212.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:17:18,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:17:18,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:17:18,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 15:17:18,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 15:17:18,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 15:17:18,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 15:17:18,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 15:17:18,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 15:17:18,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 15:17:18,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 15:17:18,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 15:17:18,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:17:18,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:17:18,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:17:18,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:17:18,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:17:18,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:17:18,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:17:18,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:17:18,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:17:18,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:17:18,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:17:18,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:17:18,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 15:17:18,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:17:18,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:17:18,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:17:18,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:17:18,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:17:18,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:17:18,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:17:18,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:17:18,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:17:18,328 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:17:18,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:17:18,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:17:18,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:17:18,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:17:18,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:17:18,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:17:18,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:17:18,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:17:18,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:17:18,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:17:18,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:17:18,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:17:18,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:17:18,332 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:17:18,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:17:18,333 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:17:18,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:17:18,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:17:18,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:17:18,623 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:17:18,624 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:17:18,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1212.bpl [2022-10-03 15:17:18,626 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1212.bpl' [2022-10-03 15:17:18,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:17:18,718 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:17:18,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:17:18,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:17:18,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:17:18,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:17:18,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:17:18,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:17:18,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:17:18,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/1) ... [2022-10-03 15:17:18,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:17:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:17:18,897 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) [2022-10-03 15:17:18,903 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 [2022-10-03 15:17:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:17:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:17:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:17:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:17:18,930 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 15:17:19,087 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:17:19,103 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:17:20,059 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:17:20,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:17:20,096 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:17:20,099 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:17:20 BoogieIcfgContainer [2022-10-03 15:17:20,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:17:20,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:17:20,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:17:20,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:17:20,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:17:18" (1/2) ... [2022-10-03 15:17:20,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ef02d4 and model type divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:17:20, skipping insertion in model container [2022-10-03 15:17:20,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:17:20" (2/2) ... [2022-10-03 15:17:20,110 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1212.bpl [2022-10-03 15:17:20,118 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:17:20,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:17:20,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:17:20,129 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:17:20,269 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:17:20,321 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:17:20,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:17:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:17:20,327 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) [2022-10-03 15:17:20,342 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 [2022-10-03 15:17:20,377 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:17:20,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:17:20,389 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@521ea03b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:17:20,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:17:20,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:17:20,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:17:20,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1383704934, now seen corresponding path program 1 times [2022-10-03 15:17:20,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:17:20,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528450583] [2022-10-03 15:17:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:17:20,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:17:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:17:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:17:21,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:17:21,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528450583] [2022-10-03 15:17:21,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528450583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:17:21,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:17:21,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:17:21,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250213393] [2022-10-03 15:17:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:17:21,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:17:21,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:17:21,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:17:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:17:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:21,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:17:21,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 216.5) internal successors, (433), 2 states have internal predecessors, (433), 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) [2022-10-03 15:17:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:21,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:17:21,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:17:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:17:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash -785789506, now seen corresponding path program 1 times [2022-10-03 15:17:21,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:17:21,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729721646] [2022-10-03 15:17:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:17:21,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:17:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:17:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:17:25,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:17:25,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729721646] [2022-10-03 15:17:25,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729721646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:17:25,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:17:25,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-10-03 15:17:25,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044276469] [2022-10-03 15:17:25,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:17:25,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-03 15:17:25,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:17:25,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-03 15:17:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=4618, Unknown=0, NotChecked=0, Total=4830 [2022-10-03 15:17:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:25,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:17:25,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 7.142857142857143) internal successors, (500), 70 states have internal predecessors, (500), 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) [2022-10-03 15:17:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-03 15:17:45,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 15:17:45,842 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:17:45,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:17:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash 514207863, now seen corresponding path program 1 times [2022-10-03 15:17:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:17:45,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509159491] [2022-10-03 15:17:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:17:45,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:17:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:17:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:17:49,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:17:49,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509159491] [2022-10-03 15:17:49,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509159491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:17:49,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:17:49,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-10-03 15:17:49,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802467912] [2022-10-03 15:17:49,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:17:49,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-10-03 15:17:49,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:17:49,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-10-03 15:17:49,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=4876, Unknown=0, NotChecked=0, Total=5112 [2022-10-03 15:17:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:49,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:17:49,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 6.23943661971831) internal successors, (443), 72 states have internal predecessors, (443), 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) [2022-10-03 15:17:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-10-03 15:17:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-03 15:18:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 15:18:18,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 15:18:18,972 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:18:18,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:18:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash 150619957, now seen corresponding path program 1 times [2022-10-03 15:18:18,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:18:18,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556713411] [2022-10-03 15:18:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:18:18,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:18:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:18:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 25545 backedges. 1779 proven. 0 refuted. 0 times theorem prover too weak. 23766 trivial. 0 not checked. [2022-10-03 15:18:29,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:18:29,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556713411] [2022-10-03 15:18:29,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556713411] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:18:29,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:18:29,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-03 15:18:29,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17110452] [2022-10-03 15:18:29,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:18:29,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-03 15:18:29,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:18:29,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-03 15:18:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-03 15:18:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:29,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:18:29,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 17.30666666666667) internal successors, (1298), 75 states have internal predecessors, (1298), 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) [2022-10-03 15:18:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-03 15:18:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-10-03 15:18:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-03 15:18:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 15:18:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-03 15:18:53,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 15:18:53,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:18:53,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:18:53,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1270296166, now seen corresponding path program 1 times [2022-10-03 15:18:53,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:18:53,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373940552] [2022-10-03 15:18:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:18:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:18:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:19:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11895 backedges. 1520 proven. 0 refuted. 0 times theorem prover too weak. 10375 trivial. 0 not checked. [2022-10-03 15:19:00,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:19:00,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373940552] [2022-10-03 15:19:00,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373940552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:19:00,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:19:00,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-10-03 15:19:00,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687529235] [2022-10-03 15:19:00,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:19:00,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-03 15:19:00,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:19:00,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-03 15:19:00,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=6202, Unknown=0, NotChecked=0, Total=6480 [2022-10-03 15:19:00,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:19:00,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:19:00,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 16.37037037037037) internal successors, (1326), 81 states have internal predecessors, (1326), 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) [2022-10-03 15:19:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:19:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-03 15:19:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-10-03 15:19:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-03 15:19:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:19:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:19:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-03 15:19:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-10-03 15:19:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:19:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-03 15:19:30,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 15:19:30,987 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:19:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:19:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash 166687290, now seen corresponding path program 1 times [2022-10-03 15:19:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:19:30,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144651426] [2022-10-03 15:19:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:19:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:19:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:19:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:19:34,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:19:34,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144651426] [2022-10-03 15:19:34,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144651426] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:19:34,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112507945] [2022-10-03 15:19:34,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:19:34,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:19:34,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:19:34,859 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) [2022-10-03 15:19:34,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 15:19:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:19:35,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 386 conjunts are in the unsatisfiable core [2022-10-03 15:19:35,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:19:35,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 15:19:36,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 15:19:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:37,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-03 15:19:37,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 15:19:37,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:37,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2022-10-03 15:19:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:37,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-03 15:19:38,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:38,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-10-03 15:19:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:38,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-03 15:19:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:40,601 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-10-03 15:19:40,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-10-03 15:19:41,230 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 15:19:41,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 55 [2022-10-03 15:19:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:41,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-10-03 15:19:52,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:19:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:52,613 INFO L356 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-10-03 15:19:52,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 92 treesize of output 59 [2022-10-03 15:19:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:52,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2022-10-03 15:19:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:19:59,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:20:00,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-10-03 15:20:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:20:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:20:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:20:23,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112507945] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-03 15:20:23,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-03 15:20:23,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [89, 82] total 228 [2022-10-03 15:20:23,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366922964] [2022-10-03 15:20:23,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:20:23,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-10-03 15:20:23,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:20:23,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-10-03 15:20:23,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2216, Invalid=49457, Unknown=83, NotChecked=0, Total=51756 [2022-10-03 15:20:23,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:20:23,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:20:23,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 14.40983606557377) internal successors, (879), 61 states have internal predecessors, (879), 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) [2022-10-03 15:20:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:20:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-03 15:20:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-10-03 15:20:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:20:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-10-03 15:20:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:20:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:20:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-03 15:20:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-10-03 15:20:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:20:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-03 15:20:39,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-10-03 15:20:39,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-03 15:20:39,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-03 15:20:39,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:20:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:20:39,904 INFO L85 PathProgramCache]: Analyzing trace with hash 130592522, now seen corresponding path program 1 times [2022-10-03 15:20:39,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:20:39,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886413515] [2022-10-03 15:20:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:20:39,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:20:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:20:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:20:43,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:20:43,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886413515] [2022-10-03 15:20:43,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886413515] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:20:43,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209441811] [2022-10-03 15:20:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:20:43,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:20:43,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:20:43,740 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) [2022-10-03 15:20:43,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 15:20:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:20:44,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 275 conjunts are in the unsatisfiable core [2022-10-03 15:20:44,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:20:45,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 15:20:45,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 15:20:46,916 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:20:46,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-03 15:20:47,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-10-03 15:20:47,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 15:20:52,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:20:52,765 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-10-03 15:20:52,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 42 [2022-10-03 15:20:52,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:20:52,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-03 15:21:02,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:21:02,966 INFO L356 Elim1Store]: treesize reduction 72, result has 48.9 percent of original size [2022-10-03 15:21:02,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 104 treesize of output 134 [2022-10-03 15:21:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:21:03,035 INFO L356 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2022-10-03 15:21:03,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 108 treesize of output 126 [2022-10-03 15:21:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 27 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:21:03,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:29:05,216 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:29:05,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1034 treesize of output 690 [2022-10-03 15:29:06,313 INFO L356 Elim1Store]: treesize reduction 1579, result has 5.7 percent of original size [2022-10-03 15:29:06,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 6021154 treesize of output 5438704 [2022-10-03 15:29:15,953 INFO L356 Elim1Store]: treesize reduction 1024, result has 24.7 percent of original size [2022-10-03 15:29:15,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 23 new quantified variables, introduced 105 case distinctions, treesize of input 37344011 treesize of output 31102817 Received shutdown request... [2022-10-03 15:30:44,146 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 [2022-10-03 15:30:44,146 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 [2022-10-03 15:30:44,146 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 15:30:44,156 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-10-03 15:30:44,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:30:44,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-03 15:30:44,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:30:44,388 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 942 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-57-2-2-2-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-10-03 15:30:44,393 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-10-03 15:30:44,395 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 15:30:44,396 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 15:30:44,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 15:30:44,399 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:30:44 BasicIcfg [2022-10-03 15:30:44,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 15:30:44,400 INFO L158 Benchmark]: Toolchain (without parser) took 805682.25ms. Allocated memory was 175.1MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 130.3MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 5.0GB. Max. memory is 8.0GB. [2022-10-03 15:30:44,400 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 175.1MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 15:30:44,401 INFO L158 Benchmark]: Boogie Preprocessor took 132.34ms. Allocated memory is still 175.1MB. Free memory was 130.3MB in the beginning and 123.4MB in the end (delta: 6.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-10-03 15:30:44,401 INFO L158 Benchmark]: RCFGBuilder took 1236.90ms. Allocated memory was 175.1MB in the beginning and 237.0MB in the end (delta: 61.9MB). Free memory was 123.3MB in the beginning and 200.9MB in the end (delta: -77.6MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. [2022-10-03 15:30:44,402 INFO L158 Benchmark]: TraceAbstraction took 804298.60ms. Allocated memory was 237.0MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 200.4MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 5.0GB. Max. memory is 8.0GB. [2022-10-03 15:30:44,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16ms. Allocated memory is still 175.1MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 132.34ms. Allocated memory is still 175.1MB. Free memory was 130.3MB in the beginning and 123.4MB in the end (delta: 6.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1236.90ms. Allocated memory was 175.1MB in the beginning and 237.0MB in the end (delta: 61.9MB). Free memory was 123.3MB in the beginning and 200.9MB in the end (delta: -77.6MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. * TraceAbstraction took 804298.60ms. Allocated memory was 237.0MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 200.4MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 5.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 219, positive: 210, positive conditional: 210, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 9, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 849, positive: 822, positive conditional: 822, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 824, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 36, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1100, positive: 1061, positive conditional: 1061, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 1046, Positive conditional cache size: 0, Positive unconditional cache size: 1046, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 75, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 51884, positive: 50305, positive conditional: 50305, positive unconditional: 0, negative: 1579, negative conditional: 1579, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 45302, Positive cache size: 45183, Positive conditional cache size: 0, Positive unconditional cache size: 45183, Negative cache size: 119, Negative conditional cache size: 0, Negative unconditional cache size: 119, Independence queries for same thread: 1534, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 16296, positive: 15801, positive conditional: 15801, positive unconditional: 0, negative: 495, negative conditional: 495, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 46168, Positive cache size: 46045, Positive conditional cache size: 0, Positive unconditional cache size: 46045, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Independence queries for same thread: 1995, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3602, positive: 3482, positive conditional: 3482, positive unconditional: 0, negative: 120, negative conditional: 120, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 46224, Positive cache size: 46101, Positive conditional cache size: 0, Positive unconditional cache size: 46101, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Independence queries for same thread: 2115, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10237, positive: 9882, positive conditional: 9882, positive unconditional: 0, negative: 355, negative conditional: 355, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 49194, Positive cache size: 49051, Positive conditional cache size: 0, Positive unconditional cache size: 49051, Negative cache size: 143, Negative conditional cache size: 0, Negative unconditional cache size: 143, Independence queries for same thread: 2431, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1212]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 942 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-57-2-2-2-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1438 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 804.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 121.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 543, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 73.2s InterpolantComputationTime, 11846 NumberOfCodeBlocks, 11846 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 12717 ConstructedInterpolants, 94 QuantifiedInterpolants, 299807 SizeOfPredicates, 189 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 386 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 37694/38058 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