/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_26-alloc_region_rc.line789.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 12:54:58,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 12:54:58,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 12:54:58,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 12:54:58,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 12:54:58,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 12:54:58,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 12:54:58,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 12:54:58,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 12:54:58,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 12:54:58,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 12:54:58,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 12:54:58,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 12:54:58,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 12:54:58,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 12:54:58,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 12:54:58,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 12:54:58,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 12:54:58,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 12:54:58,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 12:54:58,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 12:54:58,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 12:54:58,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 12:54:58,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 12:54:58,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 12:54:58,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 12:54:58,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 12:54:58,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 12:54:58,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 12:54:58,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 12:54:58,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 12:54:58,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 12:54:58,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 12:54:58,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 12:54:58,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 12:54:58,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 12:54:58,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 12:54:58,223 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 12:54:58,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 12:54:58,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 12:54:58,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 12:54:58,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 12:54:58,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 12:54:58,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:54:58,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 12:54:58,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 12:54:58,227 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 12:54:58,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 12:54:58,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 12:54:58,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 12:54:58,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 12:54:58,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 12:54:58,474 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 12:54:58,475 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 12:54:58,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_26-alloc_region_rc.line789.bpl [2022-10-03 12:54:58,477 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_26-alloc_region_rc.line789.bpl' [2022-10-03 12:54:58,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 12:54:58,545 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 12:54:58,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 12:54:58,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 12:54:58,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 12:54:58,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 12:54:58,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 12:54:58,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 12:54:58,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 12:54:58,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/1) ... [2022-10-03 12:54:58,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:54:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:54:58,687 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 12:54:58,710 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 12:54:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-03 12:54:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-03 12:54:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 12:54:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 12:54:58,722 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 12:54:58,844 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 12:54:58,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 12:54:59,331 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 12:54:59,346 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 12:54:59,346 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-03 12:54:59,349 INFO L202 PluginConnector]: Adding new model 09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:54:59 BoogieIcfgContainer [2022-10-03 12:54:59,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 12:54:59,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 12:54:59,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 12:54:59,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 12:54:59,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:54:58" (1/2) ... [2022-10-03 12:54:59,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160ba1c9 and model type 09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:54:59, skipping insertion in model container [2022-10-03 12:54:59,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:54:59" (2/2) ... [2022-10-03 12:54:59,363 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.line789.bpl [2022-10-03 12:54:59,373 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 12:54:59,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 12:54:59,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 12:54:59,383 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 12:54:59,487 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-03 12:54:59,548 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:54:59,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:54:59,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:54:59,551 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 12:54:59,553 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 12:54:59,579 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:54:59,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 12:54:59,591 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;@2e1aef11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:54:59,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:54:59,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:54:59,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:54:59,801 INFO L85 PathProgramCache]: Analyzing trace with hash 241343849, now seen corresponding path program 1 times [2022-10-03 12:54:59,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:54:59,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878519738] [2022-10-03 12:54:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:54:59,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:55:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:55:00,741 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 12:55:00,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:55:00,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878519738] [2022-10-03 12:55:00,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878519738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:55:00,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:55:00,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-03 12:55:00,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588217532] [2022-10-03 12:55:00,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:55:00,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-03 12:55:00,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:55:00,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-03 12:55:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-10-03 12:55:00,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:55:00,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:55:00,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 19.642857142857142) internal successors, (275), 15 states have internal predecessors, (275), 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 12:55:00,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:55:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-03 12:55:01,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 12:55:01,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:55:01,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:55:01,808 INFO L85 PathProgramCache]: Analyzing trace with hash -511315995, now seen corresponding path program 1 times [2022-10-03 12:55:01,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:55:01,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583824269] [2022-10-03 12:55:01,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:55:01,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:55:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:55:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:55:04,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:55:04,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583824269] [2022-10-03 12:55:04,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583824269] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:55:04,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470040885] [2022-10-03 12:55:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:55:04,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:55:04,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:55:04,755 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 12:55:04,756 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 12:55:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:55:04,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 161 conjunts are in the unsatisfiable core [2022-10-03 12:55:04,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:55:05,630 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-10-03 12:55:05,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-10-03 12:55:06,004 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 12:55:06,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-03 12:55:06,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 12:55:07,656 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-10-03 12:55:07,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-10-03 12:55:08,072 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-10-03 12:55:08,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2022-10-03 12:55:08,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2022-10-03 12:55:08,742 INFO L356 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-10-03 12:55:08,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-10-03 12:55:09,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-10-03 12:55:09,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-10-03 12:55:10,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2022-10-03 12:55:11,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 12:55:11,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-10-03 12:55:11,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 12:55:11,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2022-10-03 12:55:12,546 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-10-03 12:55:12,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 29 [2022-10-03 12:55:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:55:13,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:55:13,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 80 [2022-10-03 12:55:31,983 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-03 12:55:34,977 INFO L356 Elim1Store]: treesize reduction 66, result has 69.6 percent of original size [2022-10-03 12:55:34,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 1195 treesize of output 1245 [2022-10-03 12:56:07,513 WARN L833 $PredicateComparison]: unable to prove that (and (or (= 1 (select |c_#valid| |c_ULTIMATE.start_main_~p~1#1.base|)) (not (= |c_ULTIMATE.start_main_~p~1#1.base| |c_~#A~0.base|))) (forall ((v_ArrVal_189 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_init_~p#1.base| v_ArrVal_189) |c_~#A~0.base|) |c_~#A~0.offset|)) 1))) is different from false [2022-10-03 12:56:07,532 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_188 (Array Int Int)) (v_ArrVal_189 (Array Int Int))) (= (select |c_#valid| (select (select (store (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~int_#ptr#1.base| v_ArrVal_188) |c_ULTIMATE.start_init_~p#1.base| v_ArrVal_189) |c_~#A~0.base|) |c_~#A~0.offset|)) 1)) (or (= 1 (select |c_#valid| |c_ULTIMATE.start_main_~p~1#1.base|)) (not (= |c_ULTIMATE.start_main_~p~1#1.base| |c_~#A~0.base|)))) is different from false [2022-10-03 12:56:07,987 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_189 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~malloc40#1.base| v_ArrVal_189) |c_~#A~0.base|) |c_~#A~0.offset|)) 1)) is different from false [2022-10-03 12:56:07,992 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_189 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_189) |c_~#A~0.base|) |c_~#A~0.offset|)) 1)) is different from false [2022-10-03 12:56:08,001 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_189 (Array Int Int))) (= (select (store |c_ULTIMATE.start_#Ultimate.allocOnHeap_old_#valid#1| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| 1) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_189) |c_~#A~0.base|) |c_~#A~0.offset|)) 1)) is different from false [2022-10-03 12:56:10,292 INFO L356 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-10-03 12:56:10,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 116 [2022-10-03 12:56:10,318 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:56:10,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1644 treesize of output 1607 [2022-10-03 12:56:10,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1578 treesize of output 1538 [2022-10-03 12:56:10,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1538 treesize of output 1458 [2022-10-03 12:56:10,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1458 treesize of output 1438 [2022-10-03 12:56:20,403 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 89 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-03 12:56:23,206 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:56:23,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 275 treesize of output 2071 Received shutdown request... [2022-10-03 13:08:29,774 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-10-03 13:08:29,778 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 13:08:29,799 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 13:08:29,799 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 13:08:29,799 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 13:08:29,799 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 13:08:29,983 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,SelfDestructingSolverStorable1 [2022-10-03 13:08:29,984 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 307 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 18ms.. [2022-10-03 13:08:29,991 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-03 13:08:29,993 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 13:08:29,995 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 13:08:29,996 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 13:08:29,999 INFO L202 PluginConnector]: Adding new model 09-regions_26-alloc_region_rc.line789.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:08:29 BasicIcfg [2022-10-03 13:08:29,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 13:08:30,007 INFO L158 Benchmark]: Toolchain (without parser) took 811454.31ms. Allocated memory was 184.5MB in the beginning and 936.4MB in the end (delta: 751.8MB). Free memory was 134.9MB in the beginning and 580.4MB in the end (delta: -445.4MB). Peak memory consumption was 569.7MB. Max. memory is 8.0GB. [2022-10-03 13:08:30,007 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 13:08:30,007 INFO L158 Benchmark]: Boogie Preprocessor took 97.30ms. Allocated memory is still 184.5MB. Free memory was 134.9MB in the beginning and 131.5MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-03 13:08:30,008 INFO L158 Benchmark]: RCFGBuilder took 704.01ms. Allocated memory is still 184.5MB. Free memory was 131.5MB in the beginning and 134.6MB in the end (delta: -3.1MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2022-10-03 13:08:30,008 INFO L158 Benchmark]: TraceAbstraction took 810648.54ms. Allocated memory was 184.5MB in the beginning and 936.4MB in the end (delta: 751.8MB). Free memory was 133.8MB in the beginning and 580.4MB in the end (delta: -446.6MB). Peak memory consumption was 568.2MB. Max. memory is 8.0GB. [2022-10-03 13:08:30,011 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 0.12ms. Allocated memory is still 184.5MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 97.30ms. Allocated memory is still 184.5MB. Free memory was 134.9MB in the beginning and 131.5MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 704.01ms. Allocated memory is still 184.5MB. Free memory was 131.5MB in the beginning and 134.6MB in the end (delta: -3.1MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. * TraceAbstraction took 810648.54ms. Allocated memory was 184.5MB in the beginning and 936.4MB in the end (delta: 751.8MB). Free memory was 133.8MB in the beginning and 580.4MB in the end (delta: -446.6MB). Peak memory consumption was 568.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 109, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 251, positive: 248, positive conditional: 248, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 248, positive: 248, positive conditional: 0, positive unconditional: 248, 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: 192, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 248, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 142, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 251, positive: 248, positive conditional: 248, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 248, positive: 248, positive conditional: 0, positive unconditional: 248, 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: 192, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 248, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 192, Positive cache size: 192, Positive conditional cache size: 0, Positive unconditional cache size: 192, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3, Statistics for Abstraction: - TimeoutResultAtElement [Line: 789]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 307 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 18ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 549 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 810.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, 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: 22, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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