/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 00:53:10,976 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 00:53:11,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-06 00:53:11,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 00:53:11,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 00:53:11,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 00:53:11,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 00:53:11,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 00:53:11,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 00:53:11,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 00:53:11,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 00:53:11,124 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 00:53:11,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 00:53:11,125 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 00:53:11,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 00:53:11,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 00:53:11,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 00:53:11,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 00:53:11,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 00:53:11,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 00:53:11,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 00:53:11,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 00:53:11,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 00:53:11,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 00:53:11,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 00:53:11,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 00:53:11,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 00:53:11,127 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 00:53:11,128 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 00:53:11,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 00:53:11,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 00:53:11,128 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 00:53:11,128 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 00:53:11,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 00:53:11,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-10-06 00:53:11,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 00:53:11,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 00:53:11,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 00:53:11,465 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 00:53:11,467 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 00:53:11,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl [2022-10-06 00:53:11,468 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl' [2022-10-06 00:53:11,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 00:53:11,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 00:53:11,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 00:53:11,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 00:53:11,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 00:53:11,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,518 INFO L138 Inliner]: procedures = 4, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 00:53:11,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 00:53:11,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 00:53:11,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 00:53:11,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 00:53:11,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 00:53:11,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 00:53:11,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 00:53:11,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 00:53:11,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/1) ... [2022-10-06 00:53:11,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 00:53:11,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:53:11,567 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) [2022-10-06 00:53:11,569 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 [2022-10-06 00:53:11,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 00:53:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 00:53:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 00:53:11,611 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 00:53:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 00:53:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 00:53:11,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 00:53:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 00:53:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 00:53:11,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 00:53:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 00:53:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 00:53:11,615 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 00:53:11,663 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 00:53:11,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 00:53:11,825 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 00:53:11,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 00:53:11,831 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 00:53:11,832 INFO L202 PluginConnector]: Adding new model map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:53:11 BoogieIcfgContainer [2022-10-06 00:53:11,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 00:53:11,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 00:53:11,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 00:53:11,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 00:53:11,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:53:11" (1/2) ... [2022-10-06 00:53:11,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11151df4 and model type map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:53:11, skipping insertion in model container [2022-10-06 00:53:11,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:53:11" (2/2) ... [2022-10-06 00:53:11,847 INFO L112 eAbstractionObserver]: Analyzing ICFG map-aggr-update1-3modifiers.bpl [2022-10-06 00:53:11,862 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 00:53:11,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 00:53:11,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 00:53:11,879 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 00:53:11,992 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-10-06 00:53:12,064 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 00:53:12,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 00:53:12,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:53:12,082 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) [2022-10-06 00:53:12,107 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 [2022-10-06 00:53:12,133 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-06 00:53:12,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 00:53:12,162 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;@34dfc1f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 00:53:12,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 00:53:14,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:53:14,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:53:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2080050787, now seen corresponding path program 1 times [2022-10-06 00:53:14,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:53:14,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648009911] [2022-10-06 00:53:14,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:53:14,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:53:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:53:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 111 proven. 709 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 00:53:17,099 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:53:17,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648009911] [2022-10-06 00:53:17,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648009911] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:53:17,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:53:17,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2022-10-06 00:53:17,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321763414] [2022-10-06 00:53:17,102 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:53:17,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-10-06 00:53:17,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:53:17,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-10-06 00:53:17,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=529, Invalid=4583, Unknown=0, NotChecked=0, Total=5112 [2022-10-06 00:53:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:53:17,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:53:17,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 2.6338028169014085) internal successors, (187), 72 states have internal predecessors, (187), 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) [2022-10-06 00:53:17,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:53:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-06 00:53:44,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 00:53:44,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:53:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:53:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash -666958488, now seen corresponding path program 1 times [2022-10-06 00:53:44,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:53:44,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710347255] [2022-10-06 00:53:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:53:44,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:53:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:53:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 2841 proven. 5601 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-10-06 00:53:51,054 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:53:51,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710347255] [2022-10-06 00:53:51,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710347255] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:53:51,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:53:51,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2022-10-06 00:53:51,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249546372] [2022-10-06 00:53:51,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:53:51,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-10-06 00:53:51,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:53:51,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-10-06 00:53:51,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3392, Invalid=14698, Unknown=0, NotChecked=0, Total=18090 [2022-10-06 00:53:51,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:53:51,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:53:51,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 134 states have (on average 3.611940298507463) internal successors, (484), 135 states have internal predecessors, (484), 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) [2022-10-06 00:53:51,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-06 00:53:51,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:55:38,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-10-06 00:55:38,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 00:55:38,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 00:55:38,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:55:38,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:55:38,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1477246715, now seen corresponding path program 1 times [2022-10-06 00:55:38,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:55:38,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972020972] [2022-10-06 00:55:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:55:38,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:55:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:55:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10151 backedges. 2970 proven. 7149 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-06 00:55:48,650 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:55:48,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972020972] [2022-10-06 00:55:48,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972020972] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:55:48,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:55:48,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2022-10-06 00:55:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556454395] [2022-10-06 00:55:48,651 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:55:48,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2022-10-06 00:55:48,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:55:48,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2022-10-06 00:55:48,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5536, Invalid=31520, Unknown=0, NotChecked=0, Total=37056 [2022-10-06 00:55:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:55:48,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:55:48,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 192 states have (on average 3.0052083333333335) internal successors, (577), 193 states have internal predecessors, (577), 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) [2022-10-06 00:55:48,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-10-06 00:55:48,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 00:55:48,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.