/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-27 06:16:42,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-27 06:16:42,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-27 06:16:42,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-27 06:16:42,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-27 06:16:43,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-27 06:16:43,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-27 06:16:43,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-27 06:16:43,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-27 06:16:43,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-27 06:16:43,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-27 06:16:43,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-27 06:16:43,008 INFO L153 SettingsManager]: * Use SBE=true [2024-04-27 06:16:43,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-27 06:16:43,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-27 06:16:43,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-27 06:16:43,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-27 06:16:43,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-27 06:16:43,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-27 06:16:43,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-27 06:16:43,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-27 06:16:43,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-27 06:16:43,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-27 06:16:43,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-27 06:16:43,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-27 06:16:43,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-27 06:16:43,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-27 06:16:43,013 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-27 06:16:43,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-27 06:16:43,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 06:16:43,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-27 06:16:43,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-27 06:16:43,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-27 06:16:43,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-27 06:16:43,015 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-27 06:16:43,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-27 06:16:43,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-27 06:16:43,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-27 06:16:43,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-27 06:16:43,016 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-27 06:16:43,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-27 06:16:43,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-27 06:16:43,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-27 06:16:43,299 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-27 06:16:43,300 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-27 06:16:43,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl [2024-04-27 06:16:43,301 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl' [2024-04-27 06:16:43,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-27 06:16:43,354 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-27 06:16:43,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-27 06:16:43,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-27 06:16:43,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-27 06:16:43,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,406 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-27 06:16:43,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-27 06:16:43,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-27 06:16:43,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-27 06:16:43,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-27 06:16:43,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-27 06:16:43,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-27 06:16:43,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-27 06:16:43,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-27 06:16:43,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/1) ... [2024-04-27 06:16:43,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 06:16:43,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 06:16:43,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-27 06:16:43,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-27 06:16:43,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-27 06:16:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-27 06:16:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-27 06:16:43,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-27 06:16:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-27 06:16:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-27 06:16:43,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-27 06:16:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-27 06:16:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-27 06:16:43,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-27 06:16:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-27 06:16:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-27 06:16:43,505 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-27 06:16:43,548 INFO L241 CfgBuilder]: Building ICFG [2024-04-27 06:16:43,550 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-27 06:16:43,625 INFO L282 CfgBuilder]: Performing block encoding [2024-04-27 06:16:43,634 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-27 06:16:43,634 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-27 06:16:43,635 INFO L201 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:16:43 BoogieIcfgContainer [2024-04-27 06:16:43,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-27 06:16:43,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-27 06:16:43,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-27 06:16:43,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-27 06:16:43,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:16:43" (1/2) ... [2024-04-27 06:16:43,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fa1871 and model type min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 06:16:43, skipping insertion in model container [2024-04-27 06:16:43,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:16:43" (2/2) ... [2024-04-27 06:16:43,645 INFO L112 eAbstractionObserver]: Analyzing ICFG min-le-max.wvr.bpl [2024-04-27 06:16:43,662 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-27 06:16:43,671 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-27 06:16:43,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-27 06:16:43,672 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-27 06:16:43,709 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-27 06:16:43,741 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-27 06:16:43,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-27 06:16:43,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 06:16:43,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-27 06:16:43,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-27 06:16:43,777 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-27 06:16:43,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 06:16:43,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-27 06:16:43,796 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=LoopHeads, 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;@e46e565, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-04-27 06:16:43,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-27 06:16:43,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 06:16:43,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 06:16:43,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1238118082, now seen corresponding path program 1 times [2024-04-27 06:16:43,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 06:16:43,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898178939] [2024-04-27 06:16:43,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 06:16:43,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 06:16:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 06:16:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 06:16:44,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 06:16:44,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898178939] [2024-04-27 06:16:44,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898178939] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 06:16:44,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 06:16:44,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 06:16:44,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878773369] [2024-04-27 06:16:44,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 06:16:44,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 06:16:44,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 06:16:44,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 06:16:44,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 06:16:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:44,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 06:16:44,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-04-27 06:16:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:44,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-27 06:16:44,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 06:16:44,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 06:16:44,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1554997154, now seen corresponding path program 1 times [2024-04-27 06:16:44,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 06:16:44,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984672291] [2024-04-27 06:16:44,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 06:16:44,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 06:16:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 06:16:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-27 06:16:44,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 06:16:44,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984672291] [2024-04-27 06:16:44,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984672291] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 06:16:44,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 06:16:44,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 06:16:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308634685] [2024-04-27 06:16:44,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 06:16:44,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 06:16:44,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 06:16:44,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 06:16:44,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 06:16:44,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:44,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 06:16:44,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-04-27 06:16:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-27 06:16:44,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 06:16:44,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 06:16:44,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1654475996, now seen corresponding path program 1 times [2024-04-27 06:16:44,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 06:16:44,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314063200] [2024-04-27 06:16:44,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 06:16:44,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 06:16:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 06:16:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 06:16:44,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 06:16:44,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314063200] [2024-04-27 06:16:44,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314063200] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 06:16:44,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 06:16:44,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-27 06:16:44,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584906517] [2024-04-27 06:16:44,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 06:16:44,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-27 06:16:44,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 06:16:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-27 06:16:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-27 06:16:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:44,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 06:16:44,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-04-27 06:16:44,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:44,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-27 06:16:44,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 06:16:44,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 06:16:44,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1071355325, now seen corresponding path program 1 times [2024-04-27 06:16:44,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 06:16:44,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515764209] [2024-04-27 06:16:44,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 06:16:44,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 06:16:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 06:16:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 06:16:45,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 06:16:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515764209] [2024-04-27 06:16:45,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515764209] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 06:16:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905618723] [2024-04-27 06:16:45,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 06:16:45,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 06:16:45,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 06:16:45,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-27 06:16:45,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-27 06:16:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 06:16:45,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-27 06:16:45,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 06:16:45,238 INFO L378 Elim1Store]: Elim1 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 11 treesize of output 7 [2024-04-27 06:16:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 06:16:45,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 06:16:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 06:16:45,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905618723] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 06:16:45,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 06:16:45,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-04-27 06:16:45,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821932352] [2024-04-27 06:16:45,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 06:16:45,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-27 06:16:45,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 06:16:45,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-27 06:16:45,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-04-27 06:16:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:45,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 06:16:45,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-04-27 06:16:45,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:45,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:45,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:45,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 06:16:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 06:16:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-27 06:16:45,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-27 06:16:45,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-27 06:16:45,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-27 06:16:45,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-27 06:16:45,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-27 06:16:45,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 06:16:45,926 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-04-27 06:16:45,929 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-27 06:16:45,929 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-27 06:16:45,935 INFO L201 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 06:16:45 BasicIcfg [2024-04-27 06:16:45,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-27 06:16:45,941 INFO L158 Benchmark]: Toolchain (without parser) took 2587.02ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 134.3MB in the beginning and 195.3MB in the end (delta: -60.9MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-04-27 06:16:45,944 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-27 06:16:45,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.06ms. Allocated memory is still 159.4MB. Free memory was 134.2MB in the beginning and 132.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-27 06:16:45,945 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 159.4MB. Free memory was 132.8MB in the beginning and 131.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-27 06:16:45,945 INFO L158 Benchmark]: RCFGBuilder took 206.82ms. Allocated memory is still 159.4MB. Free memory was 131.6MB in the beginning and 121.9MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-27 06:16:45,946 INFO L158 Benchmark]: TraceAbstraction took 2302.24ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 120.8MB in the beginning and 195.3MB in the end (delta: -74.5MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2024-04-27 06:16:45,948 INFO L338 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 0.11ms. Allocated memory is still 159.4MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.06ms. Allocated memory is still 159.4MB. Free memory was 134.2MB in the beginning and 132.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 159.4MB. Free memory was 132.8MB in the beginning and 131.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 206.82ms. Allocated memory is still 159.4MB. Free memory was 131.6MB in the beginning and 121.9MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2302.24ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 120.8MB in the beginning and 195.3MB in the end (delta: -74.5MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2807, independent: 2398, independent conditional: 2398, independent unconditional: 0, dependent: 409, dependent conditional: 409, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2403, independent: 2398, independent conditional: 2398, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2403, independent: 2398, independent conditional: 2398, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2403, independent: 2398, independent conditional: 2398, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2441, independent: 2398, independent conditional: 197, independent unconditional: 2201, dependent: 43, dependent conditional: 10, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2441, independent: 2398, independent conditional: 143, independent unconditional: 2255, dependent: 43, dependent conditional: 8, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2441, independent: 2398, independent conditional: 143, independent unconditional: 2255, dependent: 43, dependent conditional: 8, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, independent: 113, independent conditional: 10, independent unconditional: 103, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 67, dependent conditional: 30, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2441, independent: 2285, independent conditional: 133, independent unconditional: 2152, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 119, unknown conditional: 14, unknown unconditional: 105] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 113, Positive conditional cache size: 10, Positive unconditional cache size: 103, Negative cache size: 6, Negative conditional cache size: 4, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 56, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2441, independent: 2398, independent conditional: 197, independent unconditional: 2201, dependent: 43, dependent conditional: 10, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2441, independent: 2398, independent conditional: 143, independent unconditional: 2255, dependent: 43, dependent conditional: 8, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2441, independent: 2398, independent conditional: 143, independent unconditional: 2255, dependent: 43, dependent conditional: 8, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, independent: 113, independent conditional: 10, independent unconditional: 103, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 67, dependent conditional: 30, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2441, independent: 2285, independent conditional: 133, independent unconditional: 2152, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 119, unknown conditional: 14, unknown unconditional: 105] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 113, Positive conditional cache size: 10, Positive unconditional cache size: 103, Negative cache size: 6, Negative conditional cache size: 4, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 56 ], Independence queries for same thread: 404 - PositiveResult [Line: 52]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 25, 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 604 SizeOfPredicates, 5 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 10/16 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-27 06:16:45,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-27 06:16:46,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...