/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3-extended.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-27 09:04:39,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-27 09:04:39,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-27 09:04:39,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-27 09:04:39,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-27 09:04:39,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-27 09:04:40,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-27 09:04:40,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-27 09:04:40,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-27 09:04:40,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-27 09:04:40,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-27 09:04:40,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-27 09:04:40,006 INFO L153 SettingsManager]: * Use SBE=true [2024-04-27 09:04:40,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-27 09:04:40,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-27 09:04:40,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-27 09:04:40,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-27 09:04:40,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-27 09:04:40,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-27 09:04:40,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-27 09:04:40,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-27 09:04:40,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-27 09:04:40,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-27 09:04:40,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-27 09:04:40,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-27 09:04:40,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-27 09:04:40,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-27 09:04:40,009 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-27 09:04:40,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-27 09:04:40,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 09:04:40,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-27 09:04:40,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-27 09:04:40,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-27 09:04:40,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-27 09:04:40,011 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-27 09:04:40,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-27 09:04:40,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-27 09:04:40,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-27 09:04:40,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-27 09:04:40,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-27 09:04:40,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-27 09:04:40,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-27 09:04:40,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-27 09:04:40,178 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-27 09:04:40,178 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-27 09:04:40,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3-extended.wvr.bpl [2024-04-27 09:04:40,179 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3-extended.wvr.bpl' [2024-04-27 09:04:40,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-27 09:04:40,210 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-27 09:04:40,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-27 09:04:40,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-27 09:04:40,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-27 09:04:40,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,318 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-27 09:04:40,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-27 09:04:40,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-27 09:04:40,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-27 09:04:40,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-27 09:04:40,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-27 09:04:40,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-27 09:04:40,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-27 09:04:40,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-27 09:04:40,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/1) ... [2024-04-27 09:04:40,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 09:04:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 09:04:40,402 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 09:04:40,419 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 09:04:40,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-27 09:04:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-27 09:04:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-27 09:04:40,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-27 09:04:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-27 09:04:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-27 09:04:40,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-27 09:04:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-27 09:04:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-27 09:04:40,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-27 09:04:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-27 09:04:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-27 09:04:40,443 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 09:04:40,482 INFO L241 CfgBuilder]: Building ICFG [2024-04-27 09:04:40,483 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-27 09:04:40,580 INFO L282 CfgBuilder]: Performing block encoding [2024-04-27 09:04:40,590 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-27 09:04:40,591 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-27 09:04:40,592 INFO L201 PluginConnector]: Adding new model misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:04:40 BoogieIcfgContainer [2024-04-27 09:04:40,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-27 09:04:40,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-27 09:04:40,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-27 09:04:40,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-27 09:04:40,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:04:40" (1/2) ... [2024-04-27 09:04:40,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b966926 and model type misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 09:04:40, skipping insertion in model container [2024-04-27 09:04:40,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:04:40" (2/2) ... [2024-04-27 09:04:40,599 INFO L112 eAbstractionObserver]: Analyzing ICFG misc-3-extended.wvr.bpl [2024-04-27 09:04:40,606 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-27 09:04:40,613 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-27 09:04:40,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-27 09:04:40,613 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-27 09:04:40,664 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-27 09:04:40,694 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-27 09:04:40,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-27 09:04:40,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 09:04:40,712 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 09:04:40,714 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 09:04:40,747 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-27 09:04:40,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:40,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-27 09:04:40,777 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;@3dc7c55b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-04-27 09:04:40,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-27 09:04:40,806 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 09:04:40,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:40,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1228799977, now seen corresponding path program 1 times [2024-04-27 09:04:40,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:40,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341555425] [2024-04-27 09:04:40,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:40,931 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 09:04:40,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:40,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341555425] [2024-04-27 09:04:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341555425] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 09:04:40,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 09:04:40,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-27 09:04:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695667899] [2024-04-27 09:04:40,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 09:04:40,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-27 09:04:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:40,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-27 09:04:40,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-27 09:04:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:40,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:40,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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 09:04:40,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-27 09:04:41,011 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 09:04:41,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1533533048, now seen corresponding path program 1 times [2024-04-27 09:04:41,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:41,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604354942] [2024-04-27 09:04:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 09:04:41,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:41,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604354942] [2024-04-27 09:04:41,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604354942] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 09:04:41,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 09:04:41,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-27 09:04:41,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492663324] [2024-04-27 09:04:41,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 09:04:41,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-27 09:04:41,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:41,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-27 09:04:41,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-27 09:04:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:41,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 09:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-27 09:04:41,116 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 09:04:41,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2128224895, now seen corresponding path program 1 times [2024-04-27 09:04:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:41,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668629138] [2024-04-27 09:04:41,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-27 09:04:41,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:41,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668629138] [2024-04-27 09:04:41,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668629138] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 09:04:41,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 09:04:41,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 09:04:41,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007506033] [2024-04-27 09:04:41,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 09:04:41,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 09:04:41,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:41,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 09:04:41,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 09:04:41,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:41,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 09:04:41,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-27 09:04:41,242 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 09:04:41,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:41,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1519143641, now seen corresponding path program 1 times [2024-04-27 09:04:41,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:41,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925611016] [2024-04-27 09:04:41,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-04-27 09:04:41,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:41,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925611016] [2024-04-27 09:04:41,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925611016] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 09:04:41,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 09:04:41,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 09:04:41,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284249942] [2024-04-27 09:04:41,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 09:04:41,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 09:04:41,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:41,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 09:04:41,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 09:04:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:41,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 09:04:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-27 09:04:41,533 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 09:04:41,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:41,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1494450021, now seen corresponding path program 1 times [2024-04-27 09:04:41,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:41,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199682075] [2024-04-27 09:04:41,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-27 09:04:41,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:41,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199682075] [2024-04-27 09:04:41,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199682075] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 09:04:41,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 09:04:41,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-27 09:04:41,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138257737] [2024-04-27 09:04:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 09:04:41,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-27 09:04:41,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:41,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-27 09:04:41,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-27 09:04:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:41,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 09:04:41,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-27 09:04:41,653 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 09:04:41,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:41,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1100942474, now seen corresponding path program 1 times [2024-04-27 09:04:41,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:41,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705617245] [2024-04-27 09:04:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-04-27 09:04:41,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:41,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705617245] [2024-04-27 09:04:41,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705617245] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 09:04:41,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 09:04:41,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 09:04:41,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869590824] [2024-04-27 09:04:41,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 09:04:41,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 09:04:41,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:41,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 09:04:41,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 09:04:41,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,732 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:41,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 09:04:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:41,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-27 09:04:41,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 09:04:41,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:41,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1605614598, now seen corresponding path program 1 times [2024-04-27 09:04:41,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:41,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677993628] [2024-04-27 09:04:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-27 09:04:41,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:41,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677993628] [2024-04-27 09:04:41,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677993628] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 09:04:41,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956686630] [2024-04-27 09:04:41,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:41,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 09:04:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 09:04:41,994 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 09:04:42,016 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 09:04:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:42,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-27 09:04:42,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 09:04:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-27 09:04:42,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 09:04:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-27 09:04:42,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956686630] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 09:04:42,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 09:04:42,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2024-04-27 09:04:42,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67783862] [2024-04-27 09:04:42,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 09:04:42,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-27 09:04:42,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:42,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-27 09:04:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-04-27 09:04:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:42,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:42,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 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 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:42,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 09:04:43,050 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 09:04:43,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-27 09:04:43,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-27 09:04:43,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 09:04:43,255 INFO L85 PathProgramCache]: Analyzing trace with hash -157418430, now seen corresponding path program 1 times [2024-04-27 09:04:43,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 09:04:43,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051076899] [2024-04-27 09:04:43,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:43,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 09:04:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-27 09:04:43,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 09:04:43,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051076899] [2024-04-27 09:04:43,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051076899] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 09:04:43,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563666407] [2024-04-27 09:04:43,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 09:04:43,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 09:04:43,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 09:04:43,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-27 09:04:43,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-27 09:04:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 09:04:43,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-27 09:04:43,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 09:04:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-27 09:04:43,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 09:04:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-27 09:04:43,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563666407] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 09:04:43,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 09:04:43,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2024-04-27 09:04:43,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845721162] [2024-04-27 09:04:43,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 09:04:43,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-27 09:04:43,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 09:04:43,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-27 09:04:43,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-04-27 09:04:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:43,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 09:04:43,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 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 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 09:04:43,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 09:04:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 09:04:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 09:04:44,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-27 09:04:44,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-27 09:04:44,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-27 09:04:44,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-27 09:04:44,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-27 09:04:45,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 09:04:45,124 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-04-27 09:04:45,126 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-27 09:04:45,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-27 09:04:45,128 INFO L201 PluginConnector]: Adding new model misc-3-extended.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 09:04:45 BasicIcfg [2024-04-27 09:04:45,129 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-27 09:04:45,129 INFO L158 Benchmark]: Toolchain (without parser) took 4919.05ms. Allocated memory was 176.2MB in the beginning and 362.8MB in the end (delta: 186.6MB). Free memory was 107.5MB in the beginning and 138.1MB in the end (delta: -30.6MB). Peak memory consumption was 157.6MB. Max. memory is 8.0GB. [2024-04-27 09:04:45,129 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-27 09:04:45,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.71ms. Allocated memory was 176.2MB in the beginning and 296.7MB in the end (delta: 120.6MB). Free memory was 146.9MB in the beginning and 272.7MB in the end (delta: -125.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-27 09:04:45,130 INFO L158 Benchmark]: Boogie Preprocessor took 12.90ms. Allocated memory is still 296.7MB. Free memory was 272.7MB in the beginning and 271.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-27 09:04:45,130 INFO L158 Benchmark]: RCFGBuilder took 258.03ms. Allocated memory is still 296.7MB. Free memory was 271.4MB in the beginning and 260.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-27 09:04:45,130 INFO L158 Benchmark]: TraceAbstraction took 4534.46ms. Allocated memory was 296.7MB in the beginning and 362.8MB in the end (delta: 66.1MB). Free memory was 259.2MB in the beginning and 138.1MB in the end (delta: 121.1MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. [2024-04-27 09:04:45,131 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 0.09ms. Allocated memory is still 176.2MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 86.71ms. Allocated memory was 176.2MB in the beginning and 296.7MB in the end (delta: 120.6MB). Free memory was 146.9MB in the beginning and 272.7MB in the end (delta: -125.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.90ms. Allocated memory is still 296.7MB. Free memory was 272.7MB in the beginning and 271.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.03ms. Allocated memory is still 296.7MB. Free memory was 271.4MB in the beginning and 260.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4534.46ms. Allocated memory was 296.7MB in the beginning and 362.8MB in the end (delta: 66.1MB). Free memory was 259.2MB in the beginning and 138.1MB in the end (delta: 121.1MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 237908, independent: 208403, independent conditional: 208357, independent unconditional: 46, dependent: 29505, dependent conditional: 29488, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 208357, independent unconditional: 46, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 208357, independent unconditional: 46, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 208357, independent unconditional: 46, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 104367, independent unconditional: 104036, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 89678, independent unconditional: 118725, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 89678, independent unconditional: 118725, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1256, independent: 1256, independent conditional: 282, independent unconditional: 974, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1256, independent: 1226, independent conditional: 0, independent unconditional: 1226, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 6, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 6, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 79, independent conditional: 15, independent unconditional: 64, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 208403, independent: 207147, independent conditional: 89396, independent unconditional: 117751, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1256, unknown conditional: 282, unknown unconditional: 974] , Statistics on independence cache: Total cache size (in pairs): 1256, Positive cache size: 1256, Positive conditional cache size: 282, Positive unconditional cache size: 974, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14689, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 104367, independent unconditional: 104036, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 89678, independent unconditional: 118725, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 208403, independent: 208403, independent conditional: 89678, independent unconditional: 118725, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1256, independent: 1256, independent conditional: 282, independent unconditional: 974, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1256, independent: 1226, independent conditional: 0, independent unconditional: 1226, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 6, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 6, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 79, independent conditional: 15, independent unconditional: 64, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 208403, independent: 207147, independent conditional: 89396, independent unconditional: 117751, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1256, unknown conditional: 282, unknown unconditional: 974] , Statistics on independence cache: Total cache size (in pairs): 1256, Positive cache size: 1256, Positive conditional cache size: 282, Positive unconditional cache size: 974, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14689 ], Independence queries for same thread: 29505 - PositiveResult [Line: 100]: 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, 69 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.6s, 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: 37, 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, 613 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 1714 SizeOfPredicates, 0 NumberOfNonLiveVariables, 240 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 498/975 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: 0.3s, 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 09:04:45,150 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 09:04:45,348 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...