/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/09-regions_17-arrayloop_nr.line703.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 19:53:25,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 19:53:25,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 19:53:25,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-29 19:53:25,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 19:53:25,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 19:53:25,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 19:53:25,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 19:53:25,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 19:53:25,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 19:53:25,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 19:53:25,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 19:53:25,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 19:53:25,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 19:53:25,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 19:53:25,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 19:53:25,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 19:53:25,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 19:53:25,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 19:53:25,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 19:53:25,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 19:53:25,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 19:53:25,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 19:53:25,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 19:53:25,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 19:53:25,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 19:53:25,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 19:53:25,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 19:53:25,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 19:53:25,271 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 19:53:25,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 19:53:25,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 19:53:25,273 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 19:53:25,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 19:53:25,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 19:53:25,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 19:53:25,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 19:53:25,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 19:53:25,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:53:25,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 19:53:25,274 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 19:53:25,275 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 19:53:25,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 19:53:25,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 19:53:25,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 19:53:25,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 19:53:25,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 19:53:25,483 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 19:53:25,484 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 19:53:25,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line703.bpl [2022-09-29 19:53:25,485 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line703.bpl' [2022-09-29 19:53:25,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 19:53:25,532 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 19:53:25,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 19:53:25,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 19:53:25,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 19:53:25,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 19:53:25,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 19:53:25,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 19:53:25,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 19:53:25,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/1) ... [2022-09-29 19:53:25,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:53:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:53:25,649 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) [2022-09-29 19:53:25,655 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 [2022-09-29 19:53:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-29 19:53:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-29 19:53:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 19:53:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 19:53:25,683 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 19:53:25,810 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 19:53:25,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 19:53:26,188 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 19:53:26,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 19:53:26,203 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-29 19:53:26,205 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:53:26 BoogieIcfgContainer [2022-09-29 19:53:26,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 19:53:26,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 19:53:26,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 19:53:26,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 19:53:26,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:53:25" (1/2) ... [2022-09-29 19:53:26,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4ffcff and model type 09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 07:53:26, skipping insertion in model container [2022-09-29 19:53:26,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:53:26" (2/2) ... [2022-09-29 19:53:26,235 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.line703.bpl [2022-09-29 19:53:26,240 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 19:53:26,246 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 19:53:26,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 19:53:26,246 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 19:53:26,326 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-29 19:53:26,375 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 19:53:26,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 19:53:26,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:53:26,381 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) [2022-09-29 19:53:26,382 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 [2022-09-29 19:53:26,414 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 19:53:26,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 19:53:26,431 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;@68ebb72e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 19:53:26,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 19:53:26,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:53:26,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:53:26,602 INFO L85 PathProgramCache]: Analyzing trace with hash -367342812, now seen corresponding path program 1 times [2022-09-29 19:53:26,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:53:26,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816538626] [2022-09-29 19:53:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:26,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:53:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:53:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:26,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:53:26,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816538626] [2022-09-29 19:53:26,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816538626] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:53:26,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:53:26,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 19:53:26,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405747014] [2022-09-29 19:53:26,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:53:26,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 19:53:26,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:53:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 19:53:26,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 19:53:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:26,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:53:26,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 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) [2022-09-29 19:53:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:26,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 19:53:26,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:53:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:53:26,895 INFO L85 PathProgramCache]: Analyzing trace with hash 416036163, now seen corresponding path program 1 times [2022-09-29 19:53:26,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:53:26,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553324211] [2022-09-29 19:53:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:26,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:53:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:53:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:27,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:53:27,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553324211] [2022-09-29 19:53:27,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553324211] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:53:27,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:53:27,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 19:53:27,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438148515] [2022-09-29 19:53:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:53:27,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 19:53:27,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:53:27,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 19:53:27,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 19:53:27,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:53:27,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-09-29 19:53:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:27,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 19:53:27,068 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:53:27,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:53:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1385963873, now seen corresponding path program 1 times [2022-09-29 19:53:27,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:53:27,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524587722] [2022-09-29 19:53:27,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:53:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:53:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:27,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:53:27,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524587722] [2022-09-29 19:53:27,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524587722] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:53:27,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119284124] [2022-09-29 19:53:27,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:27,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:53:27,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:53:27,174 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) [2022-09-29 19:53:27,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 19:53:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:53:27,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 19:53:27,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:53:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:27,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:53:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:27,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119284124] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:53:27,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:53:27,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-09-29 19:53:27,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467415427] [2022-09-29 19:53:27,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:53:27,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 19:53:27,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:53:27,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 19:53:27,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-29 19:53:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:53:27,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 30.2) internal successors, (302), 10 states have internal predecessors, (302), 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) [2022-09-29 19:53:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:53:27,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-29 19:53:27,935 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,SelfDestructingSolverStorable2 [2022-09-29 19:53:27,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:53:27,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:53:27,936 INFO L85 PathProgramCache]: Analyzing trace with hash -482562785, now seen corresponding path program 2 times [2022-09-29 19:53:27,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:53:27,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101068649] [2022-09-29 19:53:27,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:27,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:53:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:53:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:28,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:53:28,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101068649] [2022-09-29 19:53:28,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101068649] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:53:28,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170273607] [2022-09-29 19:53:28,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 19:53:28,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:53:28,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:53:28,181 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) [2022-09-29 19:53:28,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 19:53:28,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-29 19:53:28,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:53:28,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 8 conjunts are in the unsatisfiable core [2022-09-29 19:53:28,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:53:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:28,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:53:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:28,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170273607] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:53:28,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:53:28,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-09-29 19:53:28,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150928407] [2022-09-29 19:53:28,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:53:28,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-29 19:53:28,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:53:28,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-29 19:53:28,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-09-29 19:53:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:28,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:53:28,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 28.555555555555557) internal successors, (514), 18 states have internal predecessors, (514), 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) [2022-09-29 19:53:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:53:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:53:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:53:28,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-29 19:53:29,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:53:29,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:53:29,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:53:29,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2130438687, now seen corresponding path program 3 times [2022-09-29 19:53:29,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:53:29,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312863690] [2022-09-29 19:53:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:29,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:53:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:53:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:29,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:53:29,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312863690] [2022-09-29 19:53:29,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312863690] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:53:29,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547841000] [2022-09-29 19:53:29,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-29 19:53:29,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:53:29,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:53:29,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 19:53:29,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 19:53:50,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-09-29 19:53:50,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:53:50,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 16 conjunts are in the unsatisfiable core [2022-09-29 19:53:50,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:53:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:50,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:53:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:53:51,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547841000] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:53:51,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:53:51,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-09-29 19:53:51,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908935136] [2022-09-29 19:53:51,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:53:51,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-29 19:53:51,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:53:51,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-29 19:53:51,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-09-29 19:53:51,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:51,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:53:51,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 29.26086956521739) internal successors, (673), 23 states have internal predecessors, (673), 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) [2022-09-29 19:53:51,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:51,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:51,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:53:51,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:53:51,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:53:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:53:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:53:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:53:51,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-29 19:53:51,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-29 19:53:51,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:53:51,768 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:53:51,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:53:51,768 INFO L85 PathProgramCache]: Analyzing trace with hash -638640957, now seen corresponding path program 4 times [2022-09-29 19:53:51,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:53:51,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113462363] [2022-09-29 19:53:51,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:53:51,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:53:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-09-29 20:05:40,024 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,029 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,031 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,043 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,045 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 [2022-09-29 20:05:40,045 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 [2022-09-29 20:05:40,045 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,047 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,048 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,049 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,050 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,053 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,054 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,055 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,062 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,064 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,066 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,067 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,069 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,074 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,077 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,078 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,079 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,080 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,081 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,083 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,084 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,085 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,086 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,088 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,089 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,090 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,091 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,092 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,094 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,095 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,096 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,098 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,099 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,101 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,102 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,104 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,105 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,106 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,108 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,109 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,110 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,111 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,113 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,114 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,115 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,117 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,118 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,119 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,121 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,122 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,123 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,124 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,126 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,127 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,128 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,129 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,131 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,132 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,133 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,134 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,136 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,137 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,138 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,139 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,141 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,142 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,143 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,145 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,147 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,148 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,149 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,150 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,152 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,153 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,154 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,155 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,157 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,158 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,159 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,160 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,161 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,163 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,164 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,165 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,166 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,168 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,169 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,170 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,171 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,173 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,176 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,178 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,179 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,180 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,182 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,183 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,184 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 20:05:40,244 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 20:05:40,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-29 20:05:40,245 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 672 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 670 interpolants. [2022-09-29 20:05:40,253 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-09-29 20:05:40,254 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 20:05:40,257 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 20:05:40,257 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 20:05:40,270 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 08:05:40 BasicIcfg [2022-09-29 20:05:40,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 20:05:40,270 INFO L158 Benchmark]: Toolchain (without parser) took 734738.84ms. Allocated memory was 181.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 135.7MB in the beginning and 530.3MB in the end (delta: -394.6MB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-29 20:05:40,270 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.42ms. Allocated memory is still 181.4MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 20:05:40,271 INFO L158 Benchmark]: Boogie Preprocessor took 80.22ms. Allocated memory is still 181.4MB. Free memory was 135.7MB in the beginning and 132.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 20:05:40,271 INFO L158 Benchmark]: RCFGBuilder took 583.07ms. Allocated memory is still 181.4MB. Free memory was 132.3MB in the beginning and 137.8MB in the end (delta: -5.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-09-29 20:05:40,271 INFO L158 Benchmark]: TraceAbstraction took 734063.41ms. Allocated memory was 181.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 137.3MB in the beginning and 530.3MB in the end (delta: -393.0MB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-29 20:05:40,272 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 0.42ms. Allocated memory is still 181.4MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 80.22ms. Allocated memory is still 181.4MB. Free memory was 135.7MB in the beginning and 132.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 583.07ms. Allocated memory is still 181.4MB. Free memory was 132.3MB in the beginning and 137.8MB in the end (delta: -5.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 734063.41ms. Allocated memory was 181.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 137.3MB in the beginning and 530.3MB in the end (delta: -393.0MB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 77, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 75, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 78, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 17, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 84, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 30, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 96, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 55, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 105, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 89, Statistics for Abstraction: - TimeoutResultAtElement [Line: 703]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 672 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 670 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 473 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 733.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.8s, 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: 65, 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: 0.1s SsaConstructionTime, 21.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2294 NumberOfCodeBlocks, 2294 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3289 ConstructedInterpolants, 0 QuantifiedInterpolants, 6807 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2718 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3849 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