/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_16-arrayloop_rc.line703.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 12:20:56,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 12:20:56,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 12:20:56,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 12:20:56,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 12:20:56,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 12:20:56,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 12:20:56,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 12:20:56,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 12:20:56,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 12:20:56,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 12:20:56,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 12:20:56,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 12:20:56,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 12:20:56,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 12:20:56,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 12:20:56,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 12:20:56,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 12:20:56,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 12:20:56,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 12:20:56,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 12:20:56,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 12:20:56,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 12:20:56,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 12:20:56,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 12:20:56,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 12:20:57,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 12:20:57,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 12:20:57,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 12:20:57,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 12:20:57,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 12:20:57,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 12:20:57,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 12:20:57,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 12:20:57,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 12:20:57,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 12:20:57,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 12:20:57,039 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 12:20:57,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 12:20:57,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 12:20:57,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 12:20:57,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 12:20:57,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 12:20:57,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 12:20:57,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 12:20:57,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 12:20:57,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:20:57,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 12:20:57,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 12:20:57,044 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 12:20:57,044 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 12:20:57,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 12:20:57,044 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 12:20:57,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 12:20:57,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 12:20:57,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 12:20:57,327 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 12:20:57,328 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 12:20:57,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line703.bpl [2022-10-03 12:20:57,330 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line703.bpl' [2022-10-03 12:20:57,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 12:20:57,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 12:20:57,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 12:20:57,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 12:20:57,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 12:20:57,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 12:20:57,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 12:20:57,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 12:20:57,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 12:20:57,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/1) ... [2022-10-03 12:20:57,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:20:57,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:20:57,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-03 12:20:57,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-03 12:20:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-03 12:20:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-03 12:20:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 12:20:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 12:20:57,535 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 12:20:57,745 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 12:20:57,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 12:20:58,217 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 12:20:58,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 12:20:58,231 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-03 12:20:58,233 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:20:58 BoogieIcfgContainer [2022-10-03 12:20:58,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 12:20:58,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 12:20:58,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 12:20:58,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 12:20:58,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:20:57" (1/2) ... [2022-10-03 12:20:58,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd27a59 and model type 09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:20:58, skipping insertion in model container [2022-10-03 12:20:58,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:20:58" (2/2) ... [2022-10-03 12:20:58,247 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.line703.bpl [2022-10-03 12:20:58,256 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 12:20:58,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 12:20:58,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 12:20:58,268 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 12:20:58,361 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-03 12:20:58,421 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:20:58,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:20:58,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:20:58,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 12:20:58,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-03 12:20:58,462 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:20:58,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 12:20:58,477 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;@180e9fbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:20:58,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:20:58,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:20:58,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:20:58,635 INFO L85 PathProgramCache]: Analyzing trace with hash -367342812, now seen corresponding path program 1 times [2022-10-03 12:20:58,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:20:58,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367626928] [2022-10-03 12:20:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:20:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:20:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:20:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:20:58,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:20:58,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367626928] [2022-10-03 12:20:58,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367626928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:20:58,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:20:58,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 12:20:58,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205633764] [2022-10-03 12:20:58,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:20:58,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 12:20:58,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:20:58,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 12:20:58,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 12:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:58,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:20:58,965 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) [2022-10-03 12:20:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:58,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 12:20:58,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:20:58,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:20:58,991 INFO L85 PathProgramCache]: Analyzing trace with hash 416036163, now seen corresponding path program 1 times [2022-10-03 12:20:58,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:20:58,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913760534] [2022-10-03 12:20:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:20:58,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:20:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:20:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:20:59,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:20:59,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913760534] [2022-10-03 12:20:59,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913760534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:20:59,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:20:59,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-03 12:20:59,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946185071] [2022-10-03 12:20:59,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:20:59,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-03 12:20:59,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:20:59,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-03 12:20:59,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-03 12:20:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:59,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:20:59,096 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) [2022-10-03 12:20:59,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:59,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:20:59,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 12:20:59,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:20:59,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:20:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1385963873, now seen corresponding path program 1 times [2022-10-03 12:20:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:20:59,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339762077] [2022-10-03 12:20:59,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:20:59,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:20:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:20:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:20:59,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:20:59,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339762077] [2022-10-03 12:20:59,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339762077] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:20:59,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352939170] [2022-10-03 12:20:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:20:59,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:20:59,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:20:59,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:20:59,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 12:20:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:20:59,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-03 12:20:59,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:20:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:20:59,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:20:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:20:59,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352939170] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:20:59,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:20:59,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-03 12:20:59,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089380970] [2022-10-03 12:20:59,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:20:59,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 12:20:59,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:20:59,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 12:20:59,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-03 12:20:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:59,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:20:59,870 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) [2022-10-03 12:20:59,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:20:59,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:20:59,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:00,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:00,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:00,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:00,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:00,222 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 [2022-10-03 12:21:00,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash -482562785, now seen corresponding path program 2 times [2022-10-03 12:21:00,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:00,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25770779] [2022-10-03 12:21:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:00,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:00,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25770779] [2022-10-03 12:21:00,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25770779] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:00,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541040843] [2022-10-03 12:21:00,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 12:21:00,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:00,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:00,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:21:00,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 12:21:00,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-03 12:21:00,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:21:00,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-03 12:21:00,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:01,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:21:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:01,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541040843] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:21:01,225 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:21:01,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-03 12:21:01,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707492039] [2022-10-03 12:21:01,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:21:01,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-03 12:21:01,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:01,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-03 12:21:01,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-03 12:21:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:01,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:01,229 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) [2022-10-03 12:21:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:01,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:01,663 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 [2022-10-03 12:21:01,664 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:01,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2130438687, now seen corresponding path program 3 times [2022-10-03 12:21:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:01,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391709650] [2022-10-03 12:21:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:02,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:02,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391709650] [2022-10-03 12:21:02,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391709650] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:02,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405306840] [2022-10-03 12:21:02,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-03 12:21:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:02,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:02,092 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) [2022-10-03 12:21:02,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 12:21:25,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-10-03 12:21:25,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:21:25,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-03 12:21:25,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:26,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:21:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:26,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405306840] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:21:26,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:21:26,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-10-03 12:21:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476915902] [2022-10-03 12:21:26,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:21:26,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-03 12:21:26,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-03 12:21:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-10-03 12:21:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:26,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:26,851 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) [2022-10-03 12:21:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 12:21:27,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:27,427 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 [2022-10-03 12:21:27,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash -638640957, now seen corresponding path program 4 times [2022-10-03 12:21:27,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:27,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312077266] [2022-10-03 12:21:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-03 12:32:37,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,043 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,045 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,047 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,049 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,051 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,054 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,065 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,066 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,077 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,078 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 12:32:37,079 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,079 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 12:32:37,080 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,082 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,084 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,086 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,087 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,089 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,091 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,093 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,095 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,097 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,099 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,101 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,103 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,104 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,106 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,108 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,110 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,112 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,114 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,116 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,118 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,120 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,121 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,123 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,125 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,127 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,129 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,131 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,133 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,135 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,136 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,138 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,140 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,142 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,146 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,147 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,149 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,151 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,153 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,155 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,157 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,159 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,160 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,162 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,164 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,166 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,168 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,170 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,172 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,173 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,177 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,179 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,180 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,182 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,184 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,193 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,195 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,197 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,200 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,204 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,206 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,207 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,213 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,222 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,247 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,252 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,259 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,261 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,263 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,266 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:32:37,287 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 12:32:37,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-03 12:32:37,287 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. [2022-10-03 12:32:37,295 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-10-03 12:32:37,297 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 12:32:37,299 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 12:32:37,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 12:32:37,312 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:32:37 BasicIcfg [2022-10-03 12:32:37,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 12:32:37,313 INFO L158 Benchmark]: Toolchain (without parser) took 699932.25ms. Allocated memory was 197.1MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 147.5MB in the beginning and 772.1MB in the end (delta: -624.6MB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-10-03 12:32:37,313 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 197.1MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 12:32:37,314 INFO L158 Benchmark]: Boogie Preprocessor took 57.43ms. Allocated memory is still 197.1MB. Free memory was 147.5MB in the beginning and 144.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-03 12:32:37,314 INFO L158 Benchmark]: RCFGBuilder took 793.39ms. Allocated memory was 197.1MB in the beginning and 288.4MB in the end (delta: 91.2MB). Free memory was 144.2MB in the beginning and 240.8MB in the end (delta: -96.6MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. [2022-10-03 12:32:37,314 INFO L158 Benchmark]: TraceAbstraction took 699077.25ms. Allocated memory was 288.4MB in the beginning and 3.1GB in the end (delta: 2.8GB). Free memory was 239.7MB in the beginning and 772.1MB in the end (delta: -532.4MB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-10-03 12:32:37,315 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 0.20ms. Allocated memory is still 197.1MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 57.43ms. Allocated memory is still 197.1MB. Free memory was 147.5MB in the beginning and 144.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 793.39ms. Allocated memory was 197.1MB in the beginning and 288.4MB in the end (delta: 91.2MB). Free memory was 144.2MB in the beginning and 240.8MB in the end (delta: -96.6MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. * TraceAbstraction took 699077.25ms. Allocated memory was 288.4MB in the beginning and 3.1GB in the end (delta: 2.8GB). Free memory was 239.7MB in the beginning and 772.1MB in the end (delta: -532.4MB). Peak memory consumption was 3.8GB. 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: 698.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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: 0.2s SsaConstructionTime, 24.1s SatisfiabilityAnalysisTime, 2.5s 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