/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 12:37:32,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 12:37:32,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 12:37:32,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 12:37:32,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 12:37:32,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 12:37:32,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 12:37:32,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 12:37:32,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 12:37:32,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 12:37:32,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 12:37:32,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 12:37:32,843 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 12:37:32,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 12:37:32,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 12:37:32,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 12:37:32,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 12:37:32,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 12:37:32,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 12:37:32,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 12:37:32,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 12:37:32,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 12:37:32,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 12:37:32,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 12:37:32,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 12:37:32,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 12:37:32,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 12:37:32,853 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 12:37:32,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 12:37:32,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:37:32,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 12:37:32,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 12:37:32,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 12:37:32,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 12:37:32,855 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 12:37:32,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 12:37:32,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 12:37:32,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 12:37:32,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 12:37:32,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 12:37:33,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 12:37:33,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 12:37:33,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 12:37:33,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 12:37:33,125 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 12:37:33,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-04-04 12:37:34,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 12:37:34,530 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 12:37:34,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-04-04 12:37:34,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f13af802d/7347a8a088a54583877c6036faad4125/FLAG304239e41 [2024-04-04 12:37:34,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f13af802d/7347a8a088a54583877c6036faad4125 [2024-04-04 12:37:34,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 12:37:34,572 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 12:37:34,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 12:37:34,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 12:37:34,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 12:37:34,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:37:34" (1/1) ... [2024-04-04 12:37:34,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259f0a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:34, skipping insertion in model container [2024-04-04 12:37:34,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:37:34" (1/1) ... [2024-04-04 12:37:34,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 12:37:35,056 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2024-04-04 12:37:35,071 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,071 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,072 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,073 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:37:35,134 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 12:37:35,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2024-04-04 12:37:35,170 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,170 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,170 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,170 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 12:37:35,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:37:35,250 INFO L206 MainTranslator]: Completed translation [2024-04-04 12:37:35,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35 WrapperNode [2024-04-04 12:37:35,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 12:37:35,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 12:37:35,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 12:37:35,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 12:37:35,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,367 INFO L138 Inliner]: procedures = 278, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2024-04-04 12:37:35,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 12:37:35,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 12:37:35,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 12:37:35,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 12:37:35,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 12:37:35,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 12:37:35,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 12:37:35,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 12:37:35,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (1/1) ... [2024-04-04 12:37:35,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:37:35,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:35,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 12:37:35,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 12:37:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 12:37:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 12:37:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-04 12:37:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-04 12:37:35,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-04 12:37:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 12:37:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 12:37:35,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 12:37:35,513 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 12:37:35,642 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 12:37:35,644 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 12:37:35,905 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 12:37:35,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 12:37:35,940 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2024-04-04 12:37:35,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:37:35 BoogieIcfgContainer [2024-04-04 12:37:35,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 12:37:35,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 12:37:35,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 12:37:35,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 12:37:35,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:37:34" (1/3) ... [2024-04-04 12:37:35,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257c2da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:37:35, skipping insertion in model container [2024-04-04 12:37:35,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:37:35" (2/3) ... [2024-04-04 12:37:35,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257c2da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:37:35, skipping insertion in model container [2024-04-04 12:37:35,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:37:35" (3/3) ... [2024-04-04 12:37:35,949 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-04-04 12:37:35,957 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 12:37:35,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 12:37:35,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 12:37:35,966 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 12:37:36,080 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-04 12:37:36,128 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:37:36,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:37:36,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:36,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:37:36,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 12:37:36,160 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:37:36,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:36,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:37:36,179 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;@7c9252c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:37:36,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 12:37:36,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:36,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:36,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1594897232, now seen corresponding path program 1 times [2024-04-04 12:37:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:36,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139440451] [2024-04-04 12:37:36,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:37:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:37:36,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:37:36,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139440451] [2024-04-04 12:37:36,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139440451] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:37:36,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:37:36,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:37:36,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602639728] [2024-04-04 12:37:36,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:37:36,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:37:36,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:37:36,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:37:36,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:37:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:36,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:37:36,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:37:36,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:36,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:36,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 12:37:36,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:36,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:36,742 INFO L85 PathProgramCache]: Analyzing trace with hash 595859788, now seen corresponding path program 1 times [2024-04-04 12:37:36,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:36,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682903430] [2024-04-04 12:37:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:36,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:37:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:37:36,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:37:36,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682903430] [2024-04-04 12:37:36,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682903430] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:37:36,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:37:36,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:37:36,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687613983] [2024-04-04 12:37:36,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:37:36,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:37:36,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:37:36,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:37:36,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:37:36,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:36,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:37:36,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:37:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:36,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 12:37:36,966 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:36,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:36,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1387885930, now seen corresponding path program 1 times [2024-04-04 12:37:36,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:36,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720082739] [2024-04-04 12:37:36,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:36,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:37,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 12:37:37,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235897864] [2024-04-04 12:37:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:37,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:37,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:37,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:37:37,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 12:37:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:37:37,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:37:37,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:37:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:37:37,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:37:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:37:37,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:37:37,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720082739] [2024-04-04 12:37:37,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 12:37:37,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235897864] [2024-04-04 12:37:37,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235897864] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:37:37,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 12:37:37,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-04 12:37:37,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587160773] [2024-04-04 12:37:37,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 12:37:37,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 12:37:37,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:37:37,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 12:37:37,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-04 12:37:37,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:37,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:37:37,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:37:37,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:37,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:37,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:37,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 12:37:37,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 12:37:37,748 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:37,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1908306858, now seen corresponding path program 2 times [2024-04-04 12:37:37,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:37,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557390533] [2024-04-04 12:37:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:37,798 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 12:37:37,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663047782] [2024-04-04 12:37:37,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:37:37,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:37,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:37,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:37:37,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 12:37:38,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:37:38,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:37:38,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:37:38,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:37:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:37:38,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:37:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:37:38,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:37:38,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557390533] [2024-04-04 12:37:38,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 12:37:38,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663047782] [2024-04-04 12:37:38,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663047782] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:37:38,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 12:37:38,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-04 12:37:38,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295600319] [2024-04-04 12:37:38,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 12:37:38,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 12:37:38,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:37:38,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 12:37:38,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-04 12:37:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:38,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:37:38,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.75) internal successors, (284), 16 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:37:38,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:38,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:38,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:38,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:37:38,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 12:37:38,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:38,875 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:38,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash -812384298, now seen corresponding path program 3 times [2024-04-04 12:37:38,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:38,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649607074] [2024-04-04 12:37:38,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:38,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:38,943 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 12:37:38,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121504275] [2024-04-04 12:37:38,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:37:38,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:38,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:38,945 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) [2024-04-04 12:37:38,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 12:37:39,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 12:37:39,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:37:39,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:37:39,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:37:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-04-04 12:37:39,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:37:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-04-04 12:37:39,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:37:39,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649607074] [2024-04-04 12:37:39,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 12:37:39,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121504275] [2024-04-04 12:37:39,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121504275] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:37:39,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 12:37:39,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-04 12:37:39,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595095922] [2024-04-04 12:37:39,812 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 12:37:39,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 12:37:39,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:37:39,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 12:37:39,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-04 12:37:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:39,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:37:39,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:37:39,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:39,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:39,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:39,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:37:39,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:37:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:39,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 12:37:40,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:40,101 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:40,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:40,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1892686636, now seen corresponding path program 4 times [2024-04-04 12:37:40,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:40,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299320269] [2024-04-04 12:37:40,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:40,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:40,241 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 12:37:40,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [320218249] [2024-04-04 12:37:40,242 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 12:37:40,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:40,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:40,245 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) [2024-04-04 12:37:40,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 12:37:41,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 12:37:41,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:37:41,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 3383 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:37:41,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:37:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-04-04 12:37:42,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:37:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-04-04 12:37:42,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:37:42,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299320269] [2024-04-04 12:37:42,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 12:37:42,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320218249] [2024-04-04 12:37:42,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320218249] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:37:42,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 12:37:42,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-04 12:37:42,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979332465] [2024-04-04 12:37:42,931 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 12:37:42,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 12:37:42,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:37:42,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 12:37:42,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-04 12:37:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:42,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:37:42,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 22.4375) internal successors, (359), 16 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:37:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:42,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:42,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:37:42,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:42,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:37:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:37:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:37:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:37:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:37:43,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 12:37:43,393 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,SelfDestructingSolverStorable5 [2024-04-04 12:37:43,394 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 12:37:43,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:37:43,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1049740848, now seen corresponding path program 5 times [2024-04-04 12:37:43,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:37:43,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758640386] [2024-04-04 12:37:43,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:37:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:37:43,698 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 12:37:43,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [815377711] [2024-04-04 12:37:43,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 12:37:43,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:37:43,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:37:43,700 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:37:43,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2024-04-04 12:52:16,056 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 [2024-04-04 12:52:16,056 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 [2024-04-04 12:52:16,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:52:17,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 12:52:17,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-04 12:52:17,261 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2024-04-04 12:52:17,297 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2024-04-04 12:52:17,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2024-04-04 12:52:17,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-04-04 12:52:17,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-04 12:52:17,301 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1968 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2024-04-04 12:52:17,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-04-04 12:52:17,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-04-04 12:52:17,306 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-04-04 12:52:17,310 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 12:52:17,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 12:52:17,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:52:17 BasicIcfg [2024-04-04 12:52:17,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 12:52:17,316 INFO L158 Benchmark]: Toolchain (without parser) took 882743.76ms. Allocated memory was 337.6MB in the beginning and 412.1MB in the end (delta: 74.4MB). Free memory was 268.7MB in the beginning and 228.3MB in the end (delta: 40.4MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. [2024-04-04 12:52:17,316 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 337.6MB. Free memory is still 305.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 12:52:17,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.48ms. Allocated memory is still 337.6MB. Free memory was 268.5MB in the beginning and 299.5MB in the end (delta: -31.0MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. [2024-04-04 12:52:17,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.03ms. Allocated memory is still 337.6MB. Free memory was 299.5MB in the beginning and 296.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 12:52:17,319 INFO L158 Benchmark]: Boogie Preprocessor took 47.75ms. Allocated memory is still 337.6MB. Free memory was 296.3MB in the beginning and 294.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 12:52:17,319 INFO L158 Benchmark]: RCFGBuilder took 524.87ms. Allocated memory is still 337.6MB. Free memory was 294.2MB in the beginning and 269.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-04-04 12:52:17,320 INFO L158 Benchmark]: TraceAbstraction took 881371.91ms. Allocated memory was 337.6MB in the beginning and 412.1MB in the end (delta: 74.4MB). Free memory was 268.5MB in the beginning and 228.3MB in the end (delta: 40.2MB). Peak memory consumption was 115.2MB. Max. memory is 8.0GB. [2024-04-04 12:52:17,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 337.6MB. Free memory is still 305.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 677.48ms. Allocated memory is still 337.6MB. Free memory was 268.5MB in the beginning and 299.5MB in the end (delta: -31.0MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 116.03ms. Allocated memory is still 337.6MB. Free memory was 299.5MB in the beginning and 296.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.75ms. Allocated memory is still 337.6MB. Free memory was 296.3MB in the beginning and 294.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 524.87ms. Allocated memory is still 337.6MB. Free memory was 294.2MB in the beginning and 269.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 881371.91ms. Allocated memory was 337.6MB in the beginning and 412.1MB in the end (delta: 74.4MB). Free memory was 268.5MB in the beginning and 228.3MB in the end (delta: 40.2MB). Peak memory consumption was 115.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 531, independent: 345, independent conditional: 345, independent unconditional: 0, dependent: 186, dependent conditional: 186, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 345, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 345, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 345, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 134, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 345, independent: 345, independent conditional: 134, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 134, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 141, independent: 141, independent conditional: 52, independent unconditional: 89, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 141, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 345, independent: 204, independent conditional: 82, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 141, unknown conditional: 52, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 141, Positive conditional cache size: 52, Positive unconditional cache size: 89, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 134, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 345, independent: 345, independent conditional: 134, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 134, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 141, independent: 141, independent conditional: 52, independent unconditional: 89, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 141, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 345, independent: 204, independent conditional: 82, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 141, unknown conditional: 52, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 141, Positive conditional cache size: 52, Positive unconditional cache size: 89, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 186 - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1968 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1968 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 260 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 881.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.8s, 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: 66, 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: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1595 NumberOfCodeBlocks, 1278 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3055 ConstructedInterpolants, 0 QuantifiedInterpolants, 8051 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4587 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 6327/17617 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown