/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/stack_longest-1.line634.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-19 14:30:36,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-19 14:30:36,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-19 14:30:36,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-19 14:30:36,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-19 14:30:36,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-19 14:30:36,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-19 14:30:36,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-19 14:30:36,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-19 14:30:36,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-19 14:30:36,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-19 14:30:36,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-19 14:30:36,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-19 14:30:36,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-19 14:30:36,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-19 14:30:36,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-19 14:30:36,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-19 14:30:36,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-19 14:30:36,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-19 14:30:36,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-19 14:30:36,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-19 14:30:36,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-19 14:30:36,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-19 14:30:36,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-19 14:30:36,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-19 14:30:36,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-19 14:30:36,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-19 14:30:36,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-19 14:30:36,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-19 14:30:36,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-19 14:30:36,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-19 14:30:36,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-19 14:30:36,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-19 14:30:36,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-19 14:30:36,722 INFO L138 SettingsManager]: * Use SBE=true [2022-10-19 14:30:36,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-19 14:30:36,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-19 14:30:36,724 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-19 14:30:36,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-19 14:30:36,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-19 14:30:36,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-19 14:30:36,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-19 14:30:36,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-19 14:30:36,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-19 14:30:36,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-19 14:30:36,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 14:30:36,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-19 14:30:36,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-19 14:30:36,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-19 14:30:36,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-19 14:30:36,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-19 14:30:36,726 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-19 14:30:36,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-19 14:30:36,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-19 14:30:36,726 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-19 14:30:36,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-19 14:30:37,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-19 14:30:37,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-19 14:30:37,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-19 14:30:37,061 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-19 14:30:37,067 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-19 14:30:37,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/stack_longest-1.line634.bpl [2022-10-19 14:30:37,069 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/stack_longest-1.line634.bpl' [2022-10-19 14:30:37,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-19 14:30:37,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-19 14:30:37,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-19 14:30:37,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-19 14:30:37,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-19 14:30:37,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,174 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-19 14:30:37,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-19 14:30:37,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-19 14:30:37,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-19 14:30:37,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-19 14:30:37,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-19 14:30:37,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-19 14:30:37,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-19 14:30:37,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-19 14:30:37,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/1) ... [2022-10-19 14:30:37,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 14:30:37,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:30:37,262 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) [2022-10-19 14:30:37,272 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 [2022-10-19 14:30:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-19 14:30:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-19 14:30:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-19 14:30:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-19 14:30:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-19 14:30:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-19 14:30:37,303 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-19 14:30:37,467 INFO L234 CfgBuilder]: Building ICFG [2022-10-19 14:30:37,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-19 14:30:37,859 INFO L275 CfgBuilder]: Performing block encoding [2022-10-19 14:30:37,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-19 14:30:37,871 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-19 14:30:37,873 INFO L202 PluginConnector]: Adding new model stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:30:37 BoogieIcfgContainer [2022-10-19 14:30:37,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-19 14:30:37,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-19 14:30:37,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-19 14:30:37,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-19 14:30:37,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:30:37" (1/2) ... [2022-10-19 14:30:37,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560e9ef9 and model type stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:30:37, skipping insertion in model container [2022-10-19 14:30:37,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:30:37" (2/2) ... [2022-10-19 14:30:37,881 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-1.line634.bpl [2022-10-19 14:30:37,888 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-19 14:30:37,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-19 14:30:37,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-19 14:30:37,897 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-19 14:30:38,016 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-19 14:30:38,068 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:30:38,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:30:38,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:30:38,072 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) [2022-10-19 14:30:38,073 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 [2022-10-19 14:30:38,113 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:30:38,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-19 14:30:38,134 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;@969ea6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:30:38,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:30:38,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:30:38,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:30:38,224 INFO L85 PathProgramCache]: Analyzing trace with hash -521346961, now seen corresponding path program 1 times [2022-10-19 14:30:38,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:30:38,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703222300] [2022-10-19 14:30:38,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:30:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:30:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:30:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:30:38,521 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:30:38,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703222300] [2022-10-19 14:30:38,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703222300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:30:38,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:30:38,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-19 14:30:38,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219774025] [2022-10-19 14:30:38,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:30:38,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-19 14:30:38,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:30:38,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-19 14:30:38,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-19 14:30:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:30:38,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 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) [2022-10-19 14:30:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-19 14:30:38,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:30:38,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:30:38,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1221463374, now seen corresponding path program 1 times [2022-10-19 14:30:38,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:30:38,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18977464] [2022-10-19 14:30:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:30:38,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:30:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:30:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:30:38,766 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:30:38,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18977464] [2022-10-19 14:30:38,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18977464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:30:38,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:30:38,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-19 14:30:38,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040387839] [2022-10-19 14:30:38,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:30:38,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-19 14:30:38,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:30:38,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-19 14:30:38,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-19 14:30:38,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:30:38,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2022-10-19 14:30:38,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:38,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-19 14:30:38,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:30:38,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:30:38,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1649363237, now seen corresponding path program 1 times [2022-10-19 14:30:38,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:30:38,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37026426] [2022-10-19 14:30:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:30:38,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:30:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:30:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:30:39,122 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:30:39,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37026426] [2022-10-19 14:30:39,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37026426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:30:39,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:30:39,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-19 14:30:39,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910672503] [2022-10-19 14:30:39,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:30:39,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-19 14:30:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:30:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-19 14:30:39,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-19 14:30:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:30:39,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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) [2022-10-19 14:30:39,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-19 14:30:39,194 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:30:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:30:39,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1573110856, now seen corresponding path program 1 times [2022-10-19 14:30:39,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:30:39,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012081733] [2022-10-19 14:30:39,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:30:39,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:30:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:30:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:30:39,401 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:30:39,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012081733] [2022-10-19 14:30:39,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012081733] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-19 14:30:39,402 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-19 14:30:39,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2022-10-19 14:30:39,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145547571] [2022-10-19 14:30:39,405 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-19 14:30:39,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-19 14:30:39,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:30:39,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-19 14:30:39,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-19 14:30:39,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:30:39,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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) [2022-10-19 14:30:39,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:39,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-19 14:30:39,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:30:39,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:30:39,516 INFO L85 PathProgramCache]: Analyzing trace with hash -590407813, now seen corresponding path program 1 times [2022-10-19 14:30:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:30:39,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341047569] [2022-10-19 14:30:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:30:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:30:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:30:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:30:39,715 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:30:39,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341047569] [2022-10-19 14:30:39,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341047569] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-19 14:30:39,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-19 14:30:39,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2022-10-19 14:30:39,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719384331] [2022-10-19 14:30:39,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-19 14:30:39,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-19 14:30:39,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:30:39,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-19 14:30:39,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-19 14:30:39,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:30:39,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.4) internal successors, (242), 5 states have internal predecessors, (242), 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) [2022-10-19 14:30:39,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:39,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:39,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:39,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-19 14:30:39,810 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:30:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:30:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash 942375694, now seen corresponding path program 2 times [2022-10-19 14:30:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:30:39,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151087964] [2022-10-19 14:30:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:30:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:30:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:30:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-10-19 14:30:39,983 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:30:39,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151087964] [2022-10-19 14:30:39,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151087964] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:30:39,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:30:39,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-19 14:30:39,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371763220] [2022-10-19 14:30:39,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:30:39,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-19 14:30:39,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:30:39,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-19 14:30:39,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-19 14:30:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:30:39,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 50.75) internal successors, (203), 5 states have internal predecessors, (203), 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) [2022-10-19 14:30:39,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:39,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:39,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:39,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:39,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:47,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:30:47,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 14:30:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:30:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:30:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:30:47,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-19 14:30:47,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-19 14:30:47,689 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-10-19 14:30:47,691 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-19 14:30:47,697 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:30:47,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:30:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:30:47,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 14:30:47,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-19 14:30:47,703 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:30:47,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:30:47,704 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;@969ea6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:30:47,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:30:47,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:30:47,794 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:30:47,794 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-19 14:30:47,802 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:30:47,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:30:47,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:30:47,807 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 14:30:47,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-19 14:30:47,827 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:30:47,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:30:47,828 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;@969ea6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:30:47,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:30:47,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:30:47,832 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:30:47,832 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2022-10-19 14:30:47,833 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-19 14:30:47,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-19 14:30:47,837 INFO L202 PluginConnector]: Adding new model stack_longest-1.line634.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:30:47 BasicIcfg [2022-10-19 14:30:47,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-19 14:30:47,838 INFO L158 Benchmark]: Toolchain (without parser) took 10715.62ms. Allocated memory was 208.7MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 186.7MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 609.6MB. Max. memory is 8.0GB. [2022-10-19 14:30:47,840 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 208.7MB. Free memory was 189.5MB in the beginning and 189.5MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-19 14:30:47,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.86ms. Allocated memory is still 208.7MB. Free memory was 186.6MB in the beginning and 185.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-19 14:30:47,840 INFO L158 Benchmark]: Boogie Preprocessor took 58.47ms. Allocated memory is still 208.7MB. Free memory was 185.0MB in the beginning and 183.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-19 14:30:47,841 INFO L158 Benchmark]: RCFGBuilder took 636.91ms. Allocated memory is still 208.7MB. Free memory was 183.0MB in the beginning and 161.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-10-19 14:30:47,841 INFO L158 Benchmark]: TraceAbstraction took 9961.65ms. Allocated memory was 208.7MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 160.4MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 583.4MB. Max. memory is 8.0GB. [2022-10-19 14:30:47,843 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 0.17ms. Allocated memory is still 208.7MB. Free memory was 189.5MB in the beginning and 189.5MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.86ms. Allocated memory is still 208.7MB. Free memory was 186.6MB in the beginning and 185.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.47ms. Allocated memory is still 208.7MB. Free memory was 185.0MB in the beginning and 183.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 636.91ms. Allocated memory is still 208.7MB. Free memory was 183.0MB in the beginning and 161.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 9961.65ms. Allocated memory was 208.7MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 160.4MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 583.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 590566, positive: 565447, positive conditional: 565447, positive unconditional: 0, negative: 25119, negative conditional: 25119, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 566737, positive: 565447, positive conditional: 565447, positive unconditional: 0, negative: 1290, negative conditional: 1290, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 566737, positive: 565447, positive conditional: 565447, positive unconditional: 0, negative: 1290, negative conditional: 1290, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 570156, positive: 565447, positive conditional: 33, positive unconditional: 565414, negative: 4709, negative conditional: 3386, negative unconditional: 1323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 570156, positive: 565447, positive conditional: 33, positive unconditional: 565414, negative: 4709, negative conditional: 307, negative unconditional: 4402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 570156, positive: 565447, positive conditional: 33, positive unconditional: 565414, negative: 4709, negative conditional: 307, negative unconditional: 4402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8579, positive: 8533, positive conditional: 2, positive unconditional: 8531, negative: 46, negative conditional: 22, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8579, positive: 8528, positive conditional: 0, positive unconditional: 8528, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 45, negative conditional: 22, negative unconditional: 23, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 9, positive conditional: 2, positive unconditional: 7, negative: 105, negative conditional: 30, negative unconditional: 75, unknown: 5, unknown conditional: 0, unknown unconditional: 5] ], Cache Queries: [ total: 570156, positive: 556914, positive conditional: 31, positive unconditional: 556883, negative: 4663, negative conditional: 285, negative unconditional: 4378, unknown: 8579, unknown conditional: 24, unknown unconditional: 8555] , Statistics on independence cache: Total cache size (in pairs): 8579, Positive cache size: 8533, Positive conditional cache size: 2, Positive unconditional cache size: 8531, Negative cache size: 46, Negative conditional cache size: 22, Negative unconditional cache size: 24, Eliminated conditions: 3079, Maximal queried relation: 5, Independence queries for same thread: 23829 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1105, positive: 1022, positive conditional: 1022, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1027, positive: 1022, positive conditional: 1022, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1027, positive: 1022, positive conditional: 1022, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1027, positive: 1022, positive conditional: 0, positive unconditional: 1022, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1027, positive: 1022, positive conditional: 0, positive unconditional: 1022, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1027, positive: 1022, positive conditional: 0, positive unconditional: 1022, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1014, positive: 1010, positive conditional: 0, positive unconditional: 1010, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1014, positive: 1010, positive conditional: 0, positive unconditional: 1010, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1027, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1014, unknown conditional: 0, unknown unconditional: 1014] , Statistics on independence cache: Total cache size (in pairs): 1014, Positive cache size: 1010, Positive conditional cache size: 0, Positive unconditional cache size: 1010, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 78 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 634]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 459 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 8.2s, 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: 26, 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, 0.8s InterpolantComputationTime, 1178 NumberOfCodeBlocks, 1178 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 2616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 74/102 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 459 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 459 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-19 14:30:47,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-19 14:30:48,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-10-19 14:30:48,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-19 14:30:48,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...