/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:26:03,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:26:03,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:26:03,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:26:03,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:26:03,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:26:03,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:26:03,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:26:03,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:26:03,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:26:03,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:26:03,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:26:03,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:26:03,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:26:03,309 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:26:03,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:26:03,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:26:03,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:26:03,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:26:03,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:26:03,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:26:03,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:26:03,312 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:26:03,312 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:26:03,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-16 00:26:03,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:26:03,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:26:03,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:26:03,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:26:03,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:26:03,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2024-11-16 00:26:04,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:26:05,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:26:05,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2024-11-16 00:26:05,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d062c96ca/259e472504f84f3482e8048ccd6c6b9e/FLAGf619ade88 [2024-11-16 00:26:05,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d062c96ca/259e472504f84f3482e8048ccd6c6b9e [2024-11-16 00:26:05,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:26:05,157 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:26:05,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:26:05,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:26:05,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:26:05,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7306679d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05, skipping insertion in model container [2024-11-16 00:26:05,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:26:05,342 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2834,2847] [2024-11-16 00:26:05,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:26:05,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:26:05,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2834,2847] [2024-11-16 00:26:05,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:26:05,401 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:26:05,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05 WrapperNode [2024-11-16 00:26:05,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:26:05,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:26:05,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:26:05,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:26:05,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,446 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 173 [2024-11-16 00:26:05,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:26:05,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:26:05,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:26:05,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:26:05,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:26:05,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:26:05,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:26:05,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:26:05,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (1/1) ... [2024-11-16 00:26:05,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:26:05,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:26:05,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-16 00:26:05,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 00:26:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 00:26:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:26:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:26:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 00:26:05,552 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:26:05,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:26:05,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:26:05,958 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:26:05,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:26:05,978 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:26:05,979 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-16 00:26:05,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:05 BoogieIcfgContainer [2024-11-16 00:26:05,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:26:05,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:26:05,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:26:05,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:26:05,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:05" (1/3) ... [2024-11-16 00:26:05,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7f2585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:05, skipping insertion in model container [2024-11-16 00:26:05,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05" (2/3) ... [2024-11-16 00:26:05,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7f2585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:05, skipping insertion in model container [2024-11-16 00:26:05,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:05" (3/3) ... [2024-11-16 00:26:05,991 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2024-11-16 00:26:06,006 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:26:06,007 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-4.wvr.c that has 3 procedures, 213 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-16 00:26:06,007 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:26:06,136 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:26:06,193 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:26:06,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:26:06,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:26:06,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-16 00:26:06,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-16 00:26:06,294 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:26:06,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:26:06,314 INFO L333 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, 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;@20bc853e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:26:06,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:26:06,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:26:06,623 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:26:06,624 INFO L132 ounterexampleChecker]: Examining path program with hash -1863196649, occurence #1 [2024-11-16 00:26:06,624 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:26:06,624 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:26:06,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:26:06,629 INFO L85 PathProgramCache]: Analyzing trace with hash -794049825, now seen corresponding path program 1 times [2024-11-16 00:26:06,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:26:06,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248937605] [2024-11-16 00:26:06,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:06,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:26:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:26:06,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:26:06,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248937605] [2024-11-16 00:26:06,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248937605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:26:06,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:26:06,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:26:06,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960362897] [2024-11-16 00:26:06,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:26:06,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:26:06,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:26:06,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:26:06,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:26:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:06,850 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:26:06,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2024-11-16 00:26:06,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:06,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:26:06,923 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:26:06,923 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:26:06,924 INFO L132 ounterexampleChecker]: Examining path program with hash -516823367, occurence #1 [2024-11-16 00:26:06,924 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:26:06,924 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:26:06,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:26:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash 473222751, now seen corresponding path program 1 times [2024-11-16 00:26:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:26:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511597939] [2024-11-16 00:26:06,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:26:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:26:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:26:07,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511597939] [2024-11-16 00:26:07,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511597939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:26:07,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:26:07,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 00:26:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63661006] [2024-11-16 00:26:07,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:26:07,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 00:26:07,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:26:07,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 00:26:07,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-16 00:26:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:07,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:26:07,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 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) [2024-11-16 00:26:07,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:07,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:08,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:08,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:26:08,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:26:08,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:26:08,346 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:26:08,347 INFO L132 ounterexampleChecker]: Examining path program with hash 910000286, occurence #1 [2024-11-16 00:26:08,347 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:26:08,347 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:26:08,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:26:08,348 INFO L85 PathProgramCache]: Analyzing trace with hash 546208540, now seen corresponding path program 1 times [2024-11-16 00:26:08,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:26:08,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877244398] [2024-11-16 00:26:08,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:08,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:26:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:26:09,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:26:09,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877244398] [2024-11-16 00:26:09,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877244398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:26:09,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167931536] [2024-11-16 00:26:09,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:09,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:26:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:26:09,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:26:09,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 00:26:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:10,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 00:26:10,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:26:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-16 00:26:10,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 00:26:10,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167931536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:26:10,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 00:26:10,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 26 [2024-11-16 00:26:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324627762] [2024-11-16 00:26:10,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:26:10,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 00:26:10,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:26:10,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 00:26:10,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-16 00:26:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:10,558 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:26:10,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 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) [2024-11-16 00:26:10,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:10,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:26:10,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:26:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:26:10,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 00:26:10,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:26:10,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:26:10,973 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:26:10,974 INFO L132 ounterexampleChecker]: Examining path program with hash 1343056385, occurence #1 [2024-11-16 00:26:10,974 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:26:10,974 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:26:10,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:26:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1307898233, now seen corresponding path program 1 times [2024-11-16 00:26:10,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:26:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70765898] [2024-11-16 00:26:10,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:10,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:26:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:26:12,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:26:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70765898] [2024-11-16 00:26:12,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70765898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:26:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025866974] [2024-11-16 00:26:12,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:12,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:26:12,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:26:12,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:26:12,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 00:26:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:12,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-16 00:26:12,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:26:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:26:14,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:26:17,483 INFO L349 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2024-11-16 00:26:17,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 90 [2024-11-16 00:26:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:26:18,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025866974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:26:18,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:26:18,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 28, 27] total 68 [2024-11-16 00:26:18,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600864608] [2024-11-16 00:26:18,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:26:18,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-16 00:26:18,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:26:18,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-16 00:26:18,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=4090, Unknown=0, NotChecked=0, Total=4556 [2024-11-16 00:26:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:18,256 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:26:18,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 8.573529411764707) internal successors, (583), 68 states have internal predecessors, (583), 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) [2024-11-16 00:26:18,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:18,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:26:18,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:26:18,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:26:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:26:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:26:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-16 00:26:24,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 00:26:24,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:26:24,652 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:26:24,652 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:26:24,652 INFO L132 ounterexampleChecker]: Examining path program with hash 1343056385, occurence #2 [2024-11-16 00:26:24,652 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:26:24,653 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-16 00:26:24,654 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,654 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-16 00:26:24,655 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,655 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-16 00:26:24,656 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,656 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-16 00:26:24,656 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,656 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-16 00:26:24,656 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,656 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-16 00:26:24,656 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,656 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-16 00:26:24,656 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,656 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-16 00:26:24,656 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,656 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,657 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,657 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,657 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,657 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,657 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,657 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-16 00:26:24,657 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,658 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-16 00:26:24,658 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,658 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-16 00:26:24,658 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,658 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-16 00:26:24,658 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,658 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-16 00:26:24,658 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,658 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-16 00:26:24,659 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,659 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-16 00:26:24,659 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,660 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-16 00:26:24,660 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,662 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-16 00:26:24,670 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:26:24,670 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-16 00:26:24,670 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,673 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-16 00:26:24,673 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,673 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-16 00:26:24,673 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:26:24,673 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-16 00:26:24,673 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,674 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2024-11-16 00:26:24,674 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,674 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-16 00:26:24,674 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,674 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2024-11-16 00:26:24,674 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:26:24,674 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2024-11-16 00:26:24,674 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,674 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2024-11-16 00:26:24,674 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:26:24,674 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:26:24,674 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:26:24,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:26:24,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1570971309, now seen corresponding path program 2 times [2024-11-16 00:26:24,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:26:24,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912902863] [2024-11-16 00:26:24,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:26:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:26:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:26:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:26:27,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:26:27,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912902863] [2024-11-16 00:26:27,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912902863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:26:27,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952201] [2024-11-16 00:26:27,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:26:27,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:26:27,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:26:27,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:26:27,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 00:26:27,305 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 00:26:27,305 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:26:27,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 146 conjuncts are in the unsatisfiable core [2024-11-16 00:26:27,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:26:27,562 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 5 treesize of output 3 [2024-11-16 00:26:27,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 00:26:37,568 INFO L349 Elim1Store]: treesize reduction 132, result has 21.9 percent of original size [2024-11-16 00:26:37,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 97 [2024-11-16 00:26:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:26:38,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:27:11,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1756 treesize of output 1532 [2024-11-16 00:27:28,583 WARN L286 SmtUtils]: Spent 17.16s on a formula simplification that was a NOOP. DAG size: 1161 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-16 00:27:28,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:27:28,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 45 new quantified variables, introduced 276 case distinctions, treesize of input 235994 treesize of output 82022 [2024-11-16 00:28:04,265 WARN L286 SmtUtils]: Spent 35.67s on a formula simplification. DAG size of input: 2892 DAG size of output: 2768 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-16 00:28:09,866 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 2436 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-16 00:30:35,036 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-16 00:30:35,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-16 00:30:35,037 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-16 00:30:35,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 00:30:35,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:30:35,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-16 00:30:35,252 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:326) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-11-16 00:30:35,259 INFO L158 Benchmark]: Toolchain (without parser) took 270102.22ms. Allocated memory was 100.7MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 72.7MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 787.6MB. Max. memory is 8.0GB. [2024-11-16 00:30:35,261 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:30:35,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.57ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 60.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-16 00:30:35,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.58ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 58.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:30:35,262 INFO L158 Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 57.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:30:35,263 INFO L158 Benchmark]: RCFGBuilder took 489.53ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 38.7MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-16 00:30:35,263 INFO L158 Benchmark]: TraceAbstraction took 269275.06ms. Allocated memory was 100.7MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 37.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 749.9MB. Max. memory is 8.0GB. [2024-11-16 00:30:35,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.57ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 60.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.58ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 58.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.63ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 57.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 489.53ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 38.7MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 269275.06ms. Allocated memory was 100.7MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 37.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 749.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...