/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 20 --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-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 10:37:38,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 10:37:38,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 10:37:38,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 10:37:38,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 10:37:38,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 10:37:38,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 10:37:38,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 10:37:38,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 10:37:38,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 10:37:38,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 10:37:38,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 10:37:38,268 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 10:37:38,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 10:37:38,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 10:37:38,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 10:37:38,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 10:37:38,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 10:37:38,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 10:37:38,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 10:37:38,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 10:37:38,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 10:37:38,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 10:37:38,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 10:37:38,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 10:37:38,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 10:37:38,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 10:37:38,273 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 10:37:38,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 10:37:38,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 10:37:38,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 10:37:38,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 10:37:38,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 10:37:38,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 10:37:38,275 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 10:37:38,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 10:37:38,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 10:37:38,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 10:37:38,276 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 10:37:38,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 10:37:38,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 10:37:38,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 10:37:38,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 10:37:38,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 10:37:38,570 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 10:37:38,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-07 10:37:39,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 10:37:39,886 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 10:37:39,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-07 10:37:39,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0da3fe330/8ac1f26c5bc949028f2ac8383c604d74/FLAGfa5df56dd [2024-05-07 10:37:39,912 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0da3fe330/8ac1f26c5bc949028f2ac8383c604d74 [2024-05-07 10:37:39,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 10:37:39,915 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 10:37:39,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 10:37:39,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 10:37:39,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 10:37:39,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 10:37:39" (1/1) ... [2024-05-07 10:37:39,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1e41b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:39, skipping insertion in model container [2024-05-07 10:37:39,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 10:37:39" (1/1) ... [2024-05-07 10:37:39,943 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 10:37:40,119 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-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-05-07 10:37:40,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 10:37:40,135 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 10:37:40,164 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-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-05-07 10:37:40,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 10:37:40,180 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 10:37:40,180 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 10:37:40,187 INFO L206 MainTranslator]: Completed translation [2024-05-07 10:37:40,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40 WrapperNode [2024-05-07 10:37:40,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 10:37:40,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 10:37:40,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 10:37:40,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 10:37:40,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,215 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-05-07 10:37:40,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 10:37:40,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 10:37:40,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 10:37:40,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 10:37:40,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 10:37:40,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 10:37:40,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 10:37:40,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 10:37:40,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (1/1) ... [2024-05-07 10:37:40,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 10:37:40,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:37:40,282 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 10:37:40,284 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 10:37:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 10:37:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 10:37:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 10:37:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 10:37:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 10:37:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 10:37:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 10:37:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 10:37:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 10:37:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 10:37:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 10:37:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 10:37:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 10:37:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 10:37:40,332 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 10:37:40,417 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 10:37:40,419 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 10:37:40,545 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 10:37:40,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 10:37:40,587 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 10:37:40,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 10:37:40 BoogieIcfgContainer [2024-05-07 10:37:40,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 10:37:40,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 10:37:40,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 10:37:40,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 10:37:40,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 10:37:39" (1/3) ... [2024-05-07 10:37:40,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781b49f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 10:37:40, skipping insertion in model container [2024-05-07 10:37:40,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:37:40" (2/3) ... [2024-05-07 10:37:40,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781b49f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 10:37:40, skipping insertion in model container [2024-05-07 10:37:40,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 10:37:40" (3/3) ... [2024-05-07 10:37:40,598 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-07 10:37:40,606 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 10:37:40,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 10:37:40,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 10:37:40,616 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 10:37:40,702 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 10:37:40,759 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 10:37:40,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 10:37:40,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:37:40,764 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 10:37:40,765 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 10:37:40,796 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 10:37:40,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:37:40,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 10:37:40,818 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;@63f8e2e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 10:37:40,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 10:37:40,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 10:37:40,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:37:40,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1170405292, now seen corresponding path program 1 times [2024-05-07 10:37:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:37:40,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824590184] [2024-05-07 10:37:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:37:40,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:37:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:37:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 10:37:41,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:37:41,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824590184] [2024-05-07 10:37:41,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824590184] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:37:41,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:37:41,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 10:37:41,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522284904] [2024-05-07 10:37:41,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:37:41,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 10:37:41,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:37:41,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 10:37:41,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 10:37:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:37:41,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 10:37:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 10:37:41,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 10:37:41,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:37:41,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2044128722, now seen corresponding path program 1 times [2024-05-07 10:37:41,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:37:41,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884526517] [2024-05-07 10:37:41,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:37:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:37:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:37:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:41,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:37:41,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884526517] [2024-05-07 10:37:41,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884526517] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:37:41,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:37:41,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 10:37:41,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583261937] [2024-05-07 10:37:41,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:37:41,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 10:37:41,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:37:41,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 10:37:41,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-07 10:37:41,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:37:41,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 10:37:41,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:37:41,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 10:37:41,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 10:37:41,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:37:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash 849842810, now seen corresponding path program 1 times [2024-05-07 10:37:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:37:41,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798297081] [2024-05-07 10:37:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:37:41,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:37:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:37:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:42,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:37:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798297081] [2024-05-07 10:37:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798297081] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:37:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516413478] [2024-05-07 10:37:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:37:42,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:37:42,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:37:42,524 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 10:37:42,535 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 10:37:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:37:42,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 10:37:42,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:37:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:42,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:37:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:43,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516413478] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:37:43,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:37:43,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 20 [2024-05-07 10:37:43,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474116304] [2024-05-07 10:37:43,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:37:43,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-07 10:37:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:37:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-07 10:37:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-05-07 10:37:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:43,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:37:43,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 20 states have internal predecessors, (108), 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 10:37:43,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:43,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:37:43,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:37:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:37:44,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 10:37:44,444 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 [2024-05-07 10:37:44,445 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 10:37:44,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:37:44,445 INFO L85 PathProgramCache]: Analyzing trace with hash -470519814, now seen corresponding path program 2 times [2024-05-07 10:37:44,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:37:44,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360100460] [2024-05-07 10:37:44,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:37:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:37:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:37:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:37:45,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360100460] [2024-05-07 10:37:45,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360100460] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:37:45,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713511675] [2024-05-07 10:37:45,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 10:37:45,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:37:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:37:45,795 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 10:37:45,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 10:37:45,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 10:37:45,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:37:45,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-07 10:37:45,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:37:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:46,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:37:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:37:52,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713511675] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:37:52,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:37:52,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 20] total 52 [2024-05-07 10:37:52,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269572093] [2024-05-07 10:37:52,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:37:52,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-05-07 10:37:52,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:37:52,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-05-07 10:37:52,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=2224, Unknown=0, NotChecked=0, Total=2652 [2024-05-07 10:37:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:52,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:37:52,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 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 10:37:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:37:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:37:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:37:52,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:38:07,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 10:38:26,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 10:38:37,357 WARN L539 Checker$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 10:39:11,641 WARN L293 SmtUtils]: Spent 22.47s on a formula simplification. DAG size of input: 131 DAG size of output: 109 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:39:13,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 10:40:06,741 WARN L293 SmtUtils]: Spent 46.13s on a formula simplification. DAG size of input: 132 DAG size of output: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:40:17,429 WARN L293 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 103 DAG size of output: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:40:46,185 WARN L293 SmtUtils]: Spent 21.46s on a formula simplification. DAG size of input: 136 DAG size of output: 94 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:41:14,315 WARN L293 SmtUtils]: Spent 16.03s on a formula simplification. DAG size of input: 131 DAG size of output: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:41:15,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 10:41:37,609 WARN L293 SmtUtils]: Spent 16.41s on a formula simplification. DAG size of input: 121 DAG size of output: 93 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:42:45,546 WARN L293 SmtUtils]: Spent 57.89s on a formula simplification. DAG size of input: 149 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 10:42:57,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1862149975, now seen corresponding path program 1 times [2024-05-07 10:42:57,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:42:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:42:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:42:57,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:42:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:43:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:43:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:43:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:43:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-07 10:43:00,689 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 10:43:00,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:43:00,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 10:43:00,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:43:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash 696235753, now seen corresponding path program 3 times [2024-05-07 10:43:00,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:43:00,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486460332] [2024-05-07 10:43:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:43:00,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:43:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:43:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:43:05,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:43:05,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486460332] [2024-05-07 10:43:05,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486460332] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:43:05,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286570602] [2024-05-07 10:43:05,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 10:43:05,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:43:05,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:43:05,750 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 10:43:05,752 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 10:43:06,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-07 10:43:06,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:43:06,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-07 10:43:06,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:43:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:43:11,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:45:25,508 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-05-07 10:45:25,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286570602] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:45:25,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:45:25,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 18, 11] total 51 [2024-05-07 10:45:25,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395100268] [2024-05-07 10:45:25,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:45:25,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-07 10:45:25,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:45:25,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-07 10:45:25,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=2272, Unknown=42, NotChecked=0, Total=2550 [2024-05-07 10:45:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:45:25,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:45:25,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.372549019607843) internal successors, (223), 51 states have internal predecessors, (223), 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 10:45:25,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:45:25,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:45:25,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:45:25,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-07 10:45:25,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:45:39,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:45:59,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:46:18,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:46:28,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:46:35,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:46:43,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:46:49,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:46:57,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:03,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:05,654 WARN L539 Checker$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 10:47:15,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:24,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:26,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:29,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:42,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-07 10:47:45,265 WARN L539 Checker$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 10:47:56,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1698912135, now seen corresponding path program 2 times [2024-05-07 10:47:56,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:47:56,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:47:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:47:56,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:47:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:47:56,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:47:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:47:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:47:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-07 10:47:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-07 10:47:56,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 10:47:57,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:47:57,106 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 10:47:57,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:47:57,106 INFO L85 PathProgramCache]: Analyzing trace with hash -420997621, now seen corresponding path program 4 times [2024-05-07 10:47:57,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:47:57,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650046533] [2024-05-07 10:47:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:47:57,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:47:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-07 10:51:52,639 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 10:51:52,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-07 10:51:52,640 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 123 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-7-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-6-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. [2024-05-07 10:51:52,641 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 10:51:52,641 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 10:51:52,645 INFO L448 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2024-05-07 10:51:52,648 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 10:51:52,648 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 10:51:52,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 10:51:52 BasicIcfg [2024-05-07 10:51:52,650 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 10:51:52,650 INFO L158 Benchmark]: Toolchain (without parser) took 852734.99ms. Allocated memory was 295.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 225.8MB in the beginning and 791.6MB in the end (delta: -565.9MB). Peak memory consumption was 889.1MB. Max. memory is 8.0GB. [2024-05-07 10:51:52,651 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 295.7MB. Free memory is still 262.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 10:51:52,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.18ms. Allocated memory is still 295.7MB. Free memory was 225.5MB in the beginning and 214.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-07 10:51:52,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.91ms. Allocated memory is still 295.7MB. Free memory was 214.4MB in the beginning and 212.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 10:51:52,652 INFO L158 Benchmark]: Boogie Preprocessor took 30.00ms. Allocated memory is still 295.7MB. Free memory was 212.9MB in the beginning and 211.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 10:51:52,652 INFO L158 Benchmark]: RCFGBuilder took 342.33ms. Allocated memory is still 295.7MB. Free memory was 211.6MB in the beginning and 196.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-07 10:51:52,652 INFO L158 Benchmark]: TraceAbstraction took 852057.32ms. Allocated memory was 295.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 195.1MB in the beginning and 791.6MB in the end (delta: -596.6MB). Peak memory consumption was 857.6MB. Max. memory is 8.0GB. [2024-05-07 10:51:52,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 295.7MB. Free memory is still 262.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.18ms. Allocated memory is still 295.7MB. Free memory was 225.5MB in the beginning and 214.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.91ms. Allocated memory is still 295.7MB. Free memory was 214.4MB in the beginning and 212.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.00ms. Allocated memory is still 295.7MB. Free memory was 212.9MB in the beginning and 211.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 342.33ms. Allocated memory is still 295.7MB. Free memory was 211.6MB in the beginning and 196.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 852057.32ms. Allocated memory was 295.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 195.1MB in the beginning and 791.6MB in the end (delta: -596.6MB). Peak memory consumption was 857.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2012, independent: 1679, independent conditional: 1387, independent unconditional: 292, dependent: 333, dependent conditional: 330, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1697, independent: 1679, independent conditional: 1387, independent unconditional: 292, dependent: 18, dependent conditional: 15, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1697, independent: 1679, independent conditional: 1387, independent unconditional: 292, dependent: 18, dependent conditional: 15, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1697, independent: 1679, independent conditional: 1387, independent unconditional: 292, dependent: 18, dependent conditional: 15, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1732, independent: 1679, independent conditional: 472, independent unconditional: 1207, dependent: 53, dependent conditional: 29, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1732, independent: 1679, independent conditional: 404, independent unconditional: 1275, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1732, independent: 1679, independent conditional: 404, independent unconditional: 1275, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 191, independent: 179, independent conditional: 8, independent unconditional: 171, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 191, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 108, dependent conditional: 54, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1732, independent: 1500, independent conditional: 396, independent unconditional: 1104, dependent: 41, dependent conditional: 17, dependent unconditional: 24, unknown: 191, unknown conditional: 18, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 179, Positive conditional cache size: 8, Positive unconditional cache size: 171, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1732, independent: 1679, independent conditional: 472, independent unconditional: 1207, dependent: 53, dependent conditional: 29, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1732, independent: 1679, independent conditional: 404, independent unconditional: 1275, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1732, independent: 1679, independent conditional: 404, independent unconditional: 1275, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 191, independent: 179, independent conditional: 8, independent unconditional: 171, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 191, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 108, dependent conditional: 54, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1732, independent: 1500, independent conditional: 396, independent unconditional: 1104, dependent: 41, dependent conditional: 17, dependent unconditional: 24, unknown: 191, unknown conditional: 18, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 179, Positive conditional cache size: 8, Positive unconditional cache size: 171, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70 ], Independence queries for same thread: 315 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 123 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-7-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-6-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 123 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-7-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-6-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 123 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-7-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-6-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 851.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 460.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 174, 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, 153.8s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 890 ConstructedInterpolants, 35 QuantifiedInterpolants, 14660 SizeOfPredicates, 39 NumberOfNonLiveVariables, 527 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 115/506 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: 1.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout [2024-05-07 10:51:52,665 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 10:51:52,665 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 Completed graceful shutdown