/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 546 --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-3774817-m [2024-04-06 02:54:14,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 02:54:14,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 02:54:14,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 02:54:14,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 02:54:14,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 02:54:14,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 02:54:14,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 02:54:14,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 02:54:14,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 02:54:14,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 02:54:14,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 02:54:14,491 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 02:54:14,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 02:54:14,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 02:54:14,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 02:54:14,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 02:54:14,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 02:54:14,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 02:54:14,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 02:54:14,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 02:54:14,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 02:54:14,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 02:54:14,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 02:54:14,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 02:54:14,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 02:54:14,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 02:54:14,495 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 02:54:14,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 02:54:14,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 02:54:14,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 02:54:14,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 02:54:14,497 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 02:54:14,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 02:54:14,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 02:54:14,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 02:54:14,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 02:54:14,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 02:54:14,779 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 02:54:14,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-04-06 02:54:15,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 02:54:15,892 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 02:54:15,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-04-06 02:54:15,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fad285e07/a669dbcaf86a4d7283075d6d01c9b0b2/FLAG0ec77fd0a [2024-04-06 02:54:15,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fad285e07/a669dbcaf86a4d7283075d6d01c9b0b2 [2024-04-06 02:54:15,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 02:54:15,910 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 02:54:15,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 02:54:15,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 02:54:15,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 02:54:15,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 02:54:15" (1/1) ... [2024-04-06 02:54:15,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da8a64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:15, skipping insertion in model container [2024-04-06 02:54:15,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 02:54:15" (1/1) ... [2024-04-06 02:54:15,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 02:54:16,100 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] [2024-04-06 02:54:16,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 02:54:16,113 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 02:54:16,134 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] [2024-04-06 02:54:16,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 02:54:16,145 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 02:54:16,145 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 02:54:16,150 INFO L206 MainTranslator]: Completed translation [2024-04-06 02:54:16,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16 WrapperNode [2024-04-06 02:54:16,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 02:54:16,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 02:54:16,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 02:54:16,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 02:54:16,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,182 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-04-06 02:54:16,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 02:54:16,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 02:54:16,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 02:54:16,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 02:54:16,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 02:54:16,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 02:54:16,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 02:54:16,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 02:54:16,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (1/1) ... [2024-04-06 02:54:16,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 02:54:16,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:54:16,253 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) [2024-04-06 02:54:16,272 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 [2024-04-06 02:54:16,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 02:54:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 02:54:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 02:54:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 02:54:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 02:54:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 02:54:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 02:54:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 02:54:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 02:54:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 02:54:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 02:54:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 02:54:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 02:54:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 02:54:16,295 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 02:54:16,379 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 02:54:16,380 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 02:54:16,567 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 02:54:16,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 02:54:16,618 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-06 02:54:16,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:54:16 BoogieIcfgContainer [2024-04-06 02:54:16,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 02:54:16,621 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 02:54:16,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 02:54:16,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 02:54:16,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 02:54:15" (1/3) ... [2024-04-06 02:54:16,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@979cd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:54:16, skipping insertion in model container [2024-04-06 02:54:16,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:54:16" (2/3) ... [2024-04-06 02:54:16,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@979cd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:54:16, skipping insertion in model container [2024-04-06 02:54:16,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:54:16" (3/3) ... [2024-04-06 02:54:16,628 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-04-06 02:54:16,634 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 02:54:16,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 02:54:16,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 02:54:16,643 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 02:54:16,705 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 02:54:16,740 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 02:54:16,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 02:54:16,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:54:16,742 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) [2024-04-06 02:54:16,743 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 [2024-04-06 02:54:16,765 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 02:54:16,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:54:16,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 02:54:16,780 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;@fac1121, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 02:54:16,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-06 02:54:16,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:54:16,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:54:16,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1170405292, now seen corresponding path program 1 times [2024-04-06 02:54:16,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:54:16,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618455000] [2024-04-06 02:54:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:54:16,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:54:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:54:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 02:54:17,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:54:17,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618455000] [2024-04-06 02:54:17,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618455000] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:54:17,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 02:54:17,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 02:54:17,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944702654] [2024-04-06 02:54:17,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:54:17,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 02:54:17,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:54:17,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 02:54:17,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 02:54:17,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:54:17,113 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) [2024-04-06 02:54:17,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 02:54:17,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:54:17,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:54:17,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2044128722, now seen corresponding path program 1 times [2024-04-06 02:54:17,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:54:17,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115172125] [2024-04-06 02:54:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:54:17,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:54:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:54:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:17,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:54:17,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115172125] [2024-04-06 02:54:17,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115172125] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:54:17,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 02:54:17,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 02:54:17,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668364454] [2024-04-06 02:54:17,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:54:17,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 02:54:17,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:54:17,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 02:54:17,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-06 02:54:17,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:54:17,504 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) [2024-04-06 02:54:17,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:54:17,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 02:54:17,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:54:17,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:54:17,615 INFO L85 PathProgramCache]: Analyzing trace with hash 849842810, now seen corresponding path program 1 times [2024-04-06 02:54:17,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:54:17,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306791634] [2024-04-06 02:54:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:54:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:54:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:54:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:18,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:54:18,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306791634] [2024-04-06 02:54:18,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306791634] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:54:18,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20258787] [2024-04-06 02:54:18,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:54:18,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:54:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:54:18,114 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) [2024-04-06 02:54:18,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 02:54:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:54:18,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 02:54:18,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:54:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:18,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:54:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:18,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20258787] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:54:18,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:54:18,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 20 [2024-04-06 02:54:18,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387928059] [2024-04-06 02:54:18,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:54:18,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-06 02:54:18,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:54:18,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-06 02:54:18,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-04-06 02:54:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:18,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:54:18,723 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) [2024-04-06 02:54:18,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:18,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:54:18,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:54:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 02:54:19,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 02:54:19,519 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 [2024-04-06 02:54:19,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:54:19,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:54:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash -470519814, now seen corresponding path program 2 times [2024-04-06 02:54:19,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:54:19,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667412880] [2024-04-06 02:54:19,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:54:19,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:54:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:54:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:20,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:54:20,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667412880] [2024-04-06 02:54:20,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667412880] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:54:20,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486924682] [2024-04-06 02:54:20,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 02:54:20,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:54:20,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:54:20,490 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) [2024-04-06 02:54:20,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 02:54:20,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 02:54:20,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:54:20,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-06 02:54:20,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:54:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:21,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:54:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:54:25,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486924682] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:54:25,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:54:25,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 20] total 52 [2024-04-06 02:54:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667426758] [2024-04-06 02:54:25,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:54:25,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-06 02:54:25,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:54:26,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-06 02:54:26,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=2224, Unknown=0, NotChecked=0, Total=2652 [2024-04-06 02:54:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:26,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:54:26,003 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) [2024-04-06 02:54:26,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:54:26,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:54:26,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 02:54:26,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:55:13,770 WARN L293 SmtUtils]: Spent 10.54s on a formula simplification. DAG size of input: 107 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 02:55:50,138 WARN L293 SmtUtils]: Spent 28.16s on a formula simplification. DAG size of input: 131 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 02:55:52,645 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 [] [2024-04-06 02:56:39,651 WARN L293 SmtUtils]: Spent 40.75s 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) [2024-04-06 02:56:49,201 WARN L293 SmtUtils]: Spent 5.82s 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) [2024-04-06 02:57:13,759 WARN L293 SmtUtils]: Spent 17.19s 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) [2024-04-06 02:57:16,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-06 02:57:19,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-06 02:57:35,453 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 125 DAG size of output: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 02:58:39,516 WARN L293 SmtUtils]: Spent 48.61s on a formula simplification. DAG size of input: 143 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 02:58:53,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-04-06 02:58:56,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-06 02:58:57,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:58:57,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:58:57,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 02:58:57,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-06 02:58:57,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 02:58:57,753 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 [2024-04-06 02:58:57,753 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:58:57,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:58:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash 696235753, now seen corresponding path program 3 times [2024-04-06 02:58:57,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:58:57,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693538239] [2024-04-06 02:58:57,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:58:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:58:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:59:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:59:01,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:59:01,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693538239] [2024-04-06 02:59:01,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693538239] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:59:01,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318601857] [2024-04-06 02:59:01,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 02:59:01,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:59:01,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:59:01,297 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) [2024-04-06 02:59:01,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 02:59:01,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-06 02:59:01,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:59:01,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 02:59:01,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:59:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 02:59:05,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:59:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-04-06 02:59:08,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318601857] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:59:08,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:59:08,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 18, 10] total 50 [2024-04-06 02:59:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764067085] [2024-04-06 02:59:08,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:59:08,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-06 02:59:08,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:59:08,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-06 02:59:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=2225, Unknown=0, NotChecked=0, Total=2450 [2024-04-06 02:59:08,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:59:08,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:59:08,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.46) internal successors, (223), 50 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) [2024-04-06 02:59:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:59:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:59:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 02:59:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-06 02:59:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:59:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:59:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 02:59:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 02:59:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 02:59:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 02:59:17,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 02:59:17,749 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 [2024-04-06 02:59:17,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:59:17,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:59:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash -420997621, now seen corresponding path program 4 times [2024-04-06 02:59:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:59:17,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182083741] [2024-04-06 02:59:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:59:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:59:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-06 03:08:41,298 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-06 03:08:41,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 03:08:41,299 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 ∧-2-3-10-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-7-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. [2024-04-06 03:08:41,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-06 03:08:41,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-06 03:08:41,304 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-04-06 03:08:41,307 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 03:08:41,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 03:08:41,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 03:08:41 BasicIcfg [2024-04-06 03:08:41,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 03:08:41,309 INFO L158 Benchmark]: Toolchain (without parser) took 865399.42ms. Allocated memory was 179.3MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 108.7MB in the beginning and 558.1MB in the end (delta: -449.4MB). Peak memory consumption was 907.4MB. Max. memory is 8.0GB. [2024-04-06 03:08:41,310 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 03:08:41,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.60ms. Allocated memory is still 179.3MB. Free memory was 108.6MB in the beginning and 144.7MB in the end (delta: -36.1MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2024-04-06 03:08:41,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.93ms. Allocated memory is still 179.3MB. Free memory was 144.7MB in the beginning and 143.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 03:08:41,310 INFO L158 Benchmark]: Boogie Preprocessor took 36.04ms. Allocated memory is still 179.3MB. Free memory was 143.1MB in the beginning and 142.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 03:08:41,311 INFO L158 Benchmark]: RCFGBuilder took 399.37ms. Allocated memory is still 179.3MB. Free memory was 142.1MB in the beginning and 126.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-06 03:08:41,311 INFO L158 Benchmark]: TraceAbstraction took 864687.64ms. Allocated memory was 179.3MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 125.8MB in the beginning and 558.1MB in the end (delta: -432.2MB). Peak memory consumption was 923.7MB. Max. memory is 8.0GB. [2024-04-06 03:08:41,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 239.60ms. Allocated memory is still 179.3MB. Free memory was 108.6MB in the beginning and 144.7MB in the end (delta: -36.1MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.93ms. Allocated memory is still 179.3MB. Free memory was 144.7MB in the beginning and 143.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.04ms. Allocated memory is still 179.3MB. Free memory was 143.1MB in the beginning and 142.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 399.37ms. Allocated memory is still 179.3MB. Free memory was 142.1MB in the beginning and 126.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 864687.64ms. Allocated memory was 179.3MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 125.8MB in the beginning and 558.1MB in the end (delta: -432.2MB). Peak memory consumption was 923.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3462, independent: 2499, independent conditional: 2238, independent unconditional: 261, dependent: 963, dependent conditional: 805, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2517, independent: 2499, independent conditional: 2238, independent unconditional: 261, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2517, independent: 2499, independent conditional: 2238, independent unconditional: 261, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2517, independent: 2499, independent conditional: 2238, independent unconditional: 261, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2569, independent: 2499, independent conditional: 408, independent unconditional: 2091, dependent: 70, dependent conditional: 34, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2569, independent: 2499, independent conditional: 372, independent unconditional: 2127, dependent: 70, dependent conditional: 30, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2569, independent: 2499, independent conditional: 372, independent unconditional: 2127, dependent: 70, dependent conditional: 30, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 182, independent: 171, independent conditional: 2, independent unconditional: 169, dependent: 11, dependent conditional: 9, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 182, independent: 171, independent conditional: 0, independent unconditional: 171, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 9, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 9, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 73, dependent conditional: 40, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2569, independent: 2328, independent conditional: 370, independent unconditional: 1958, dependent: 59, dependent conditional: 21, dependent unconditional: 38, unknown: 182, unknown conditional: 11, unknown unconditional: 171] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 171, Positive conditional cache size: 2, Positive unconditional cache size: 169, Negative cache size: 11, Negative conditional cache size: 9, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 40, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2569, independent: 2499, independent conditional: 408, independent unconditional: 2091, dependent: 70, dependent conditional: 34, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2569, independent: 2499, independent conditional: 372, independent unconditional: 2127, dependent: 70, dependent conditional: 30, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2569, independent: 2499, independent conditional: 372, independent unconditional: 2127, dependent: 70, dependent conditional: 30, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 182, independent: 171, independent conditional: 2, independent unconditional: 169, dependent: 11, dependent conditional: 9, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 182, independent: 171, independent conditional: 0, independent unconditional: 171, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 9, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 9, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 73, dependent conditional: 40, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2569, independent: 2328, independent conditional: 370, independent unconditional: 1958, dependent: 59, dependent conditional: 21, dependent unconditional: 38, unknown: 182, unknown conditional: 11, unknown unconditional: 171] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 171, Positive conditional cache size: 2, Positive unconditional cache size: 169, Negative cache size: 11, Negative conditional cache size: 9, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 40 ], Independence queries for same thread: 945 - 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 ∧-2-3-10-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-7-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 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 ∧-2-3-10-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-7-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 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 ∧-2-3-10-2-10-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-7-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 281.4s, 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: 170, 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, 17.7s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 890 ConstructedInterpolants, 1 QuantifiedInterpolants, 10565 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown