/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 RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 15:09:02,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 15:09:02,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 15:09:02,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 15:09:02,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 15:09:02,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 15:09:02,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 15:09:02,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 15:09:02,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 15:09:02,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 15:09:02,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 15:09:02,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 15:09:02,795 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 15:09:02,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 15:09:02,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 15:09:02,797 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 15:09:02,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 15:09:02,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 15:09:02,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 15:09:02,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 15:09:02,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 15:09:02,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 15:09:02,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 15:09:02,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 15:09:02,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 15:09:02,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 15:09:02,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 15:09:02,799 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 15:09:02,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 15:09:02,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 15:09:02,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 15:09:02,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 15:09:02,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 15:09:02,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 15:09:03,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 15:09:03,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 15:09:03,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 15:09:03,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 15:09:03,021 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 15:09:03,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-07 15:09:04,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 15:09:04,276 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 15:09:04,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-07 15:09:04,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/18ffb6f46/7d78e20f547840a2994f81d43d4c7085/FLAG432a9731d [2024-05-07 15:09:04,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/18ffb6f46/7d78e20f547840a2994f81d43d4c7085 [2024-05-07 15:09:04,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 15:09:04,295 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 15:09:04,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 15:09:04,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 15:09:04,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 15:09:04,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109a4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04, skipping insertion in model container [2024-05-07 15:09:04,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 15:09:04,446 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-05-07 15:09:04,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 15:09:04,457 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 15:09:04,471 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-05-07 15:09:04,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 15:09:04,477 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 15:09:04,477 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 15:09:04,545 INFO L206 MainTranslator]: Completed translation [2024-05-07 15:09:04,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04 WrapperNode [2024-05-07 15:09:04,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 15:09:04,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 15:09:04,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 15:09:04,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 15:09:04,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,594 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-05-07 15:09:04,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 15:09:04,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 15:09:04,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 15:09:04,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 15:09:04,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 15:09:04,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 15:09:04,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 15:09:04,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 15:09:04,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (1/1) ... [2024-05-07 15:09:04,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 15:09:04,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 15:09:04,711 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) [2024-05-07 15:09:04,713 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 [2024-05-07 15:09:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 15:09:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 15:09:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 15:09:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 15:09:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 15:09:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 15:09:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 15:09:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 15:09:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 15:09:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 15:09:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 15:09:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 15:09:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 15:09:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 15:09:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 15:09:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 15:09:04,761 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 15:09:04,871 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 15:09:04,874 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 15:09:05,039 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 15:09:05,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 15:09:05,078 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-07 15:09:05,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 03:09:05 BoogieIcfgContainer [2024-05-07 15:09:05,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 15:09:05,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 15:09:05,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 15:09:05,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 15:09:05,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 03:09:04" (1/3) ... [2024-05-07 15:09:05,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa6f7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 03:09:05, skipping insertion in model container [2024-05-07 15:09:05,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 03:09:04" (2/3) ... [2024-05-07 15:09:05,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa6f7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 03:09:05, skipping insertion in model container [2024-05-07 15:09:05,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 03:09:05" (3/3) ... [2024-05-07 15:09:05,098 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-05-07 15:09:05,103 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 15:09:05,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 15:09:05,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 15:09:05,112 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 15:09:05,156 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-07 15:09:05,191 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 15:09:05,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 15:09:05,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 15:09:05,199 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) [2024-05-07 15:09:05,210 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 [2024-05-07 15:09:05,234 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 15:09:05,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:09:05,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 15:09:05,264 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;@4c9c8f41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 15:09:05,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 15:09:05,746 INFO L85 PathProgramCache]: Analyzing trace with hash -319144301, now seen corresponding path program 1 times [2024-05-07 15:09:05,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:05,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:05,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:09:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:07,277 INFO L85 PathProgramCache]: Analyzing trace with hash -319144639, now seen corresponding path program 2 times [2024-05-07 15:09:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:07,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:09:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:07,592 INFO L85 PathProgramCache]: Analyzing trace with hash 845616928, now seen corresponding path program 3 times [2024-05-07 15:09:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:07,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:07,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:09:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:07,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 15:09:07,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:09:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-05-07 15:09:07,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 15:09:07,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468090226] [2024-05-07 15:09:07,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 15:09:07,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 15:09:07,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468090226] [2024-05-07 15:09:07,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468090226] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 15:09:07,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 15:09:07,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 15:09:07,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234816319] [2024-05-07 15:09:07,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 15:09:07,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 15:09:07,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 15:09:07,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 15:09:07,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 15:09:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:07,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 15:09:07,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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) [2024-05-07 15:09:07,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:08,057 INFO L85 PathProgramCache]: Analyzing trace with hash 444321100, now seen corresponding path program 4 times [2024-05-07 15:09:08,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:08,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:09:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:08,371 INFO L85 PathProgramCache]: Analyzing trace with hash 845616928, now seen corresponding path program 5 times [2024-05-07 15:09:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:08,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:08,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:09:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:09:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1540910357, now seen corresponding path program 1 times [2024-05-07 15:09:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 15:09:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:09,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 15:09:10,356 INFO L85 PathProgramCache]: Analyzing trace with hash 603896095, now seen corresponding path program 2 times [2024-05-07 15:09:10,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 15:09:10,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 15:09:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1540910019, now seen corresponding path program 3 times [2024-05-07 15:09:10,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:10,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 15:09:11,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:11,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 15:09:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:11,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-05-07 15:09:11,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 15:09:11,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:09:11,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-05-07 15:09:11,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 15:09:11,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069954972] [2024-05-07 15:09:11,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:11,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 15:09:11,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 15:09:11,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069954972] [2024-05-07 15:09:11,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069954972] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 15:09:11,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 15:09:11,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 15:09:11,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782306527] [2024-05-07 15:09:11,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 15:09:11,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 15:09:11,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 15:09:11,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 15:09:11,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-05-07 15:09:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:11,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 15:09:11,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-05-07 15:09:11,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:11,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:12,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1656362122, now seen corresponding path program 1 times [2024-05-07 15:09:12,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:12,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 15:09:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 15:09:13,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1656361784, now seen corresponding path program 2 times [2024-05-07 15:09:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:13,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 15:09:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 15:09:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:09:14,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-05-07 15:09:14,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 15:09:14,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:09:14,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-05-07 15:09:14,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 15:09:14,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400772006] [2024-05-07 15:09:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 15:09:15,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 15:09:15,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400772006] [2024-05-07 15:09:15,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400772006] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 15:09:15,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931187978] [2024-05-07 15:09:15,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:15,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 15:09:15,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 15:09:15,436 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) [2024-05-07 15:09:15,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 15:09:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:15,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-07 15:09:15,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 15:09:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 15:09:16,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 15:09:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 15:09:17,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931187978] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 15:09:17,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 15:09:17,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2024-05-07 15:09:17,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761839918] [2024-05-07 15:09:17,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 15:09:17,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-07 15:09:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 15:09:17,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-07 15:09:17,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2024-05-07 15:09:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:17,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 15:09:17,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 30 states have internal predecessors, (142), 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) [2024-05-07 15:09:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:09:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:29,462 INFO L85 PathProgramCache]: Analyzing trace with hash -541329360, now seen corresponding path program 3 times [2024-05-07 15:09:29,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 9 proven. 310 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 15:09:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:35,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 127 proven. 192 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 15:09:41,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:41,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:09:41,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-07 15:09:41,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 15:09:42,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19,SelfDestructingSolverStorable17 [2024-05-07 15:09:42,078 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 15:09:42,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:09:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1945288997, now seen corresponding path program 2 times [2024-05-07 15:09:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 15:09:42,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752581141] [2024-05-07 15:09:42,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:09:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:09:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:09:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 63 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 15:09:48,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 15:09:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752581141] [2024-05-07 15:09:48,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752581141] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 15:09:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292995082] [2024-05-07 15:09:48,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 15:09:48,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 15:09:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 15:09:48,334 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) [2024-05-07 15:09:48,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 15:09:48,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 15:09:48,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 15:09:48,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-07 15:09:48,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 15:09:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 92 proven. 57 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-05-07 15:09:48,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 15:09:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-05-07 15:09:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292995082] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 15:09:49,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 15:09:49,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 9, 6] total 69 [2024-05-07 15:09:49,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266520666] [2024-05-07 15:09:49,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 15:09:49,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-05-07 15:09:49,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 15:09:49,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-05-07 15:09:49,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=4443, Unknown=0, NotChecked=0, Total=4692 [2024-05-07 15:09:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:49,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 15:09:49,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.130434782608696) internal successors, (216), 69 states have internal predecessors, (216), 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) [2024-05-07 15:09:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:09:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:09:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-07 15:09:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:10:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:10:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:10:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-07 15:10:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-07 15:10:09,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 15:10:10,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 15:10:10,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 15:10:10,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:10:10,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1646373075, now seen corresponding path program 3 times [2024-05-07 15:10:10,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 15:10:10,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673687822] [2024-05-07 15:10:10,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:10,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:10:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 15:10:10,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 15:10:10,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673687822] [2024-05-07 15:10:10,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673687822] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 15:10:10,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386072642] [2024-05-07 15:10:10,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 15:10:10,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 15:10:10,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 15:10:10,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 15:10:10,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 15:10:10,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-07 15:10:10,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 15:10:10,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-07 15:10:10,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 15:10:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 136 proven. 6 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-05-07 15:10:10,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 15:10:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 15:10:11,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386072642] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 15:10:11,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 15:10:11,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 7] total 19 [2024-05-07 15:10:11,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462435608] [2024-05-07 15:10:11,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 15:10:11,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-07 15:10:11,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 15:10:11,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-07 15:10:11,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-05-07 15:10:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:10:11,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 15:10:11,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 19 states have internal predecessors, (116), 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) [2024-05-07 15:10:11,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:10:11,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:10:11,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-07 15:10:11,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-07 15:10:11,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:10:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1871018985, now seen corresponding path program 1 times [2024-05-07 15:10:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:14,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash -554966932, now seen corresponding path program 2 times [2024-05-07 15:10:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:17,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1885373358, now seen corresponding path program 3 times [2024-05-07 15:10:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:17,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:18,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2000481126, now seen corresponding path program 4 times [2024-05-07 15:10:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:18,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:18,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1885373020, now seen corresponding path program 5 times [2024-05-07 15:10:20,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:20,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:20,708 INFO L85 PathProgramCache]: Analyzing trace with hash -632718377, now seen corresponding path program 6 times [2024-05-07 15:10:20,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:20,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:20,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2047236742, now seen corresponding path program 7 times [2024-05-07 15:10:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:22,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:22,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1735075442, now seen corresponding path program 8 times [2024-05-07 15:10:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:23,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:23,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2047236404, now seen corresponding path program 9 times [2024-05-07 15:10:24,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:24,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:24,834 INFO L85 PathProgramCache]: Analyzing trace with hash 299170991, now seen corresponding path program 10 times [2024-05-07 15:10:24,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:24,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:24,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:25,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2047328812, now seen corresponding path program 11 times [2024-05-07 15:10:25,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:25,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash -390631721, now seen corresponding path program 12 times [2024-05-07 15:10:25,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:25,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:25,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 15:10:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 15:10:27,113 INFO L85 PathProgramCache]: Analyzing trace with hash 913496325, now seen corresponding path program 4 times [2024-05-07 15:10:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:27,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:10:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 166 proven. 253 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 15:10:34,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:34,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:10:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 71 proven. 348 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 15:10:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:10:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:10:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-05-07 15:10:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-07 15:10:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 15:10:40,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-07 15:10:40,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable32,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 15:10:40,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 15:10:40,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 15:10:40,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1056711112, now seen corresponding path program 4 times [2024-05-07 15:10:40,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 15:10:40,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406510887] [2024-05-07 15:10:40,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 15:10:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 15:10:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 15:10:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 235 proven. 152 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 15:10:46,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 15:10:46,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406510887] [2024-05-07 15:10:46,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406510887] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 15:10:46,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386388059] [2024-05-07 15:10:46,198 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 15:10:46,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 15:10:46,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 15:10:46,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 15:10:46,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 15:10:46,357 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 15:10:46,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 15:10:46,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 39 conjunts are in the unsatisfiable core [2024-05-07 15:10:46,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 15:11:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 160 proven. 217 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-05-07 15:11:08,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 15:11:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 144 proven. 239 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 15:11:13,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386388059] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 15:11:13,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 15:11:13,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 24, 24] total 96 [2024-05-07 15:11:13,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390531774] [2024-05-07 15:11:13,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 15:11:13,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-07 15:11:13,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 15:11:13,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-07 15:11:13,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1298, Invalid=7820, Unknown=2, NotChecked=0, Total=9120 [2024-05-07 15:11:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:11:13,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 15:11:13,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.28125) internal successors, (315), 96 states have internal predecessors, (315), 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) [2024-05-07 15:11:13,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:11:13,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 15:11:13,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-05-07 15:11:13,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-07 15:11:13,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 15:11:13,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 15:11:25,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:11:30,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:12:32,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:12:36,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:12:46,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:13:13,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:13:21,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:14:13,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:14:20,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:15:25,822 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 144 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 15:15:30,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:16:05,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:17:53,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 15:20:05,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-07 15:23:15,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-07 15:23:15,723 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 15:23:15,734 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 15:23:15,735 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 15:23:15,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-05-07 15:23:15,907 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 296 known predicates. [2024-05-07 15:23:15,909 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 15:23:15,909 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 15:23:15,909 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 15:23:15,910 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 15:23:15,913 INFO L448 BasicCegarLoop]: Path program histogram: [12, 5, 4, 4, 3, 1, 1] [2024-05-07 15:23:15,915 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 15:23:15,915 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 15:23:15,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 03:23:15 BasicIcfg [2024-05-07 15:23:15,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 15:23:15,917 INFO L158 Benchmark]: Toolchain (without parser) took 851622.49ms. Allocated memory was 170.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 105.3MB in the beginning and 957.5MB in the end (delta: -852.1MB). Peak memory consumption was 290.4MB. Max. memory is 8.0GB. [2024-05-07 15:23:15,917 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 170.9MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 15:23:15,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.09ms. Allocated memory is still 170.9MB. Free memory was 105.1MB in the beginning and 145.9MB in the end (delta: -40.8MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2024-05-07 15:23:15,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 170.9MB. Free memory was 145.9MB in the beginning and 144.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 15:23:15,918 INFO L158 Benchmark]: Boogie Preprocessor took 34.16ms. Allocated memory is still 170.9MB. Free memory was 144.1MB in the beginning and 143.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 15:23:15,918 INFO L158 Benchmark]: RCFGBuilder took 447.12ms. Allocated memory is still 170.9MB. Free memory was 142.6MB in the beginning and 125.2MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-05-07 15:23:15,918 INFO L158 Benchmark]: TraceAbstraction took 850835.68ms. Allocated memory was 170.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 123.7MB in the beginning and 957.5MB in the end (delta: -833.8MB). Peak memory consumption was 308.6MB. Max. memory is 8.0GB. [2024-05-07 15:23:15,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 170.9MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.09ms. Allocated memory is still 170.9MB. Free memory was 105.1MB in the beginning and 145.9MB in the end (delta: -40.8MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 170.9MB. Free memory was 145.9MB in the beginning and 144.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.16ms. Allocated memory is still 170.9MB. Free memory was 144.1MB in the beginning and 143.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 447.12ms. Allocated memory is still 170.9MB. Free memory was 142.6MB in the beginning and 125.2MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 850835.68ms. Allocated memory was 170.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 123.7MB in the beginning and 957.5MB in the end (delta: -833.8MB). Peak memory consumption was 308.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14983, independent: 13750, independent conditional: 12213, independent unconditional: 1537, dependent: 1211, dependent conditional: 1197, dependent unconditional: 14, unknown: 22, unknown conditional: 15, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13850, independent: 13750, independent conditional: 12213, independent unconditional: 1537, dependent: 78, dependent conditional: 64, dependent unconditional: 14, unknown: 22, unknown conditional: 15, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13850, independent: 13750, independent conditional: 12213, independent unconditional: 1537, dependent: 78, dependent conditional: 64, dependent unconditional: 14, unknown: 22, unknown conditional: 15, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13850, independent: 13750, independent conditional: 12213, independent unconditional: 1537, dependent: 78, dependent conditional: 64, dependent unconditional: 14, unknown: 22, unknown conditional: 15, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14067, independent: 13750, independent conditional: 4152, independent unconditional: 9598, dependent: 261, dependent conditional: 153, dependent unconditional: 108, unknown: 56, unknown conditional: 22, unknown unconditional: 34] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14067, independent: 13750, independent conditional: 3897, independent unconditional: 9853, dependent: 261, dependent conditional: 105, dependent unconditional: 156, unknown: 56, unknown conditional: 9, unknown unconditional: 47] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14067, independent: 13750, independent conditional: 3897, independent unconditional: 9853, dependent: 261, dependent conditional: 105, dependent unconditional: 156, unknown: 56, unknown conditional: 9, unknown unconditional: 47] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 490, independent: 446, independent conditional: 24, independent unconditional: 422, dependent: 38, dependent conditional: 33, dependent unconditional: 5, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 490, independent: 446, independent conditional: 0, independent unconditional: 446, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 38, dependent conditional: 33, dependent unconditional: 5, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 38, dependent conditional: 33, dependent unconditional: 5, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7274, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1177, dependent conditional: 1118, dependent unconditional: 58, unknown: 6098, unknown conditional: 5088, unknown unconditional: 1010] , Protected Queries: 0 ], Cache Queries: [ total: 14067, independent: 13304, independent conditional: 3873, independent unconditional: 9431, dependent: 223, dependent conditional: 72, dependent unconditional: 151, unknown: 540, unknown conditional: 66, unknown unconditional: 474] , Statistics on independence cache: Total cache size (in pairs): 484, Positive cache size: 446, Positive conditional cache size: 24, Positive unconditional cache size: 422, Negative cache size: 38, Negative conditional cache size: 33, Negative unconditional cache size: 5, Unknown cache size: 6, Unknown conditional cache size: 5, Unknown unconditional cache size: 1, Eliminated conditions: 316, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14067, independent: 13750, independent conditional: 4152, independent unconditional: 9598, dependent: 261, dependent conditional: 153, dependent unconditional: 108, unknown: 56, unknown conditional: 22, unknown unconditional: 34] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14067, independent: 13750, independent conditional: 3897, independent unconditional: 9853, dependent: 261, dependent conditional: 105, dependent unconditional: 156, unknown: 56, unknown conditional: 9, unknown unconditional: 47] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14067, independent: 13750, independent conditional: 3897, independent unconditional: 9853, dependent: 261, dependent conditional: 105, dependent unconditional: 156, unknown: 56, unknown conditional: 9, unknown unconditional: 47] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 490, independent: 446, independent conditional: 24, independent unconditional: 422, dependent: 38, dependent conditional: 33, dependent unconditional: 5, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 490, independent: 446, independent conditional: 0, independent unconditional: 446, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 38, dependent conditional: 33, dependent unconditional: 5, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 38, dependent conditional: 33, dependent unconditional: 5, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7274, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1177, dependent conditional: 1118, dependent unconditional: 58, unknown: 6098, unknown conditional: 5088, unknown unconditional: 1010] , Protected Queries: 0 ], Cache Queries: [ total: 14067, independent: 13304, independent conditional: 3873, independent unconditional: 9431, dependent: 223, dependent conditional: 72, dependent unconditional: 151, unknown: 540, unknown conditional: 66, unknown unconditional: 474] , Statistics on independence cache: Total cache size (in pairs): 484, Positive cache size: 446, Positive conditional cache size: 24, Positive unconditional cache size: 422, Negative cache size: 38, Negative conditional cache size: 33, Negative unconditional cache size: 5, Unknown cache size: 6, Unknown conditional cache size: 5, Unknown unconditional cache size: 1, Eliminated conditions: 316 ], Independence queries for same thread: 1133 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 296 known predicates. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 296 known predicates. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 296 known predicates. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 296 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 850.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 805.3s, 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: 572, 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 43.1s InterpolantComputationTime, 1173 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1668 ConstructedInterpolants, 0 QuantifiedInterpolants, 17996 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1026 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 2140/3108 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: 40.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 24, ConditionalCommutativityTraceChecks: 24, ConditionalCommutativityImperfectProofs: 7 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown