/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 DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 11:33:55,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 11:33:55,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 11:33:55,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 11:33:55,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 11:33:55,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 11:33:55,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 11:33:55,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 11:33:55,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 11:33:55,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 11:33:55,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 11:33:55,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 11:33:55,235 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 11:33:55,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 11:33:55,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 11:33:55,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 11:33:55,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 11:33:55,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 11:33:55,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 11:33:55,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 11:33:55,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 11:33:55,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 11:33:55,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 11:33:55,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 11:33:55,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 11:33:55,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 11:33:55,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 11:33:55,238 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 11:33:55,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 11:33:55,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 11:33:55,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 11:33:55,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 11:33:55,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 11:33:55,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 11:33:55,239 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 11:33:55,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 11:33:55,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 11:33:55,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 11:33:55,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 11:33:55,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-05 11:33:55,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 11:33:55,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 11:33:55,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 11:33:55,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 11:33:55,437 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 11:33:55,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2024-04-05 11:33:56,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 11:33:56,612 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 11:33:56,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2024-04-05 11:33:56,618 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/967c39e21/0dde5f68b17644c4a8518321b49c454b/FLAG940828115 [2024-04-05 11:33:56,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/967c39e21/0dde5f68b17644c4a8518321b49c454b [2024-04-05 11:33:56,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 11:33:56,630 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 11:33:56,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 11:33:56,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 11:33:56,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 11:33:56,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61919e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56, skipping insertion in model container [2024-04-05 11:33:56,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 11:33:56,786 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/mult-comm.wvr.c[1910,1923] [2024-04-05 11:33:56,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 11:33:56,795 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 11:33:56,807 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/mult-comm.wvr.c[1910,1923] [2024-04-05 11:33:56,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 11:33:56,818 INFO L206 MainTranslator]: Completed translation [2024-04-05 11:33:56,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56 WrapperNode [2024-04-05 11:33:56,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 11:33:56,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 11:33:56,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 11:33:56,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 11:33:56,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,850 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-04-05 11:33:56,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 11:33:56,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 11:33:56,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 11:33:56,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 11:33:56,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 11:33:56,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 11:33:56,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 11:33:56,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 11:33:56,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (1/1) ... [2024-04-05 11:33:56,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 11:33:56,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:33:56,915 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) [2024-04-05 11:33:56,932 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 [2024-04-05 11:33:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 11:33:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 11:33:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 11:33:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 11:33:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 11:33:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 11:33:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 11:33:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 11:33:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 11:33:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 11:33:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 11:33:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 11:33:56,960 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 11:33:57,055 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 11:33:57,057 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 11:33:57,201 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 11:33:57,217 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 11:33:57,217 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-05 11:33:57,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:33:57 BoogieIcfgContainer [2024-04-05 11:33:57,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 11:33:57,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 11:33:57,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 11:33:57,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 11:33:57,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 11:33:56" (1/3) ... [2024-04-05 11:33:57,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63339516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:33:57, skipping insertion in model container [2024-04-05 11:33:57,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:33:56" (2/3) ... [2024-04-05 11:33:57,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63339516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:33:57, skipping insertion in model container [2024-04-05 11:33:57,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:33:57" (3/3) ... [2024-04-05 11:33:57,224 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2024-04-05 11:33:57,230 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 11:33:57,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 11:33:57,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 11:33:57,237 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 11:33:57,279 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 11:33:57,308 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 11:33:57,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 11:33:57,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:33:57,310 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) [2024-04-05 11:33:57,310 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 [2024-04-05 11:33:57,333 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 11:33:57,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:33:57,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 11:33:57,348 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;@207d8dcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 11:33:57,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 11:33:57,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 11:33:57,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:33:57,590 INFO L85 PathProgramCache]: Analyzing trace with hash 363226051, now seen corresponding path program 1 times [2024-04-05 11:33:57,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:33:57,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598769459] [2024-04-05 11:33:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:33:57,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:33:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:33:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 11:33:57,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:33:57,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598769459] [2024-04-05 11:33:57,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598769459] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 11:33:57,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 11:33:57,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 11:33:57,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507952590] [2024-04-05 11:33:57,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 11:33:57,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 11:33:57,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:33:57,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 11:33:57,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 11:33:57,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:57,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:33:57,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-04-05 11:33:57,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:57,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 11:33:57,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 11:33:57,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:33:57,863 INFO L85 PathProgramCache]: Analyzing trace with hash 288843940, now seen corresponding path program 1 times [2024-04-05 11:33:57,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:33:57,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271162830] [2024-04-05 11:33:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:33:57,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:33:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:33:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:33:58,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:33:58,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271162830] [2024-04-05 11:33:58,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271162830] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 11:33:58,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038401433] [2024-04-05 11:33:58,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:33:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:33:58,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:33:58,399 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) [2024-04-05 11:33:58,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 11:33:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:33:58,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-05 11:33:58,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:33:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:33:58,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:33:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:33:59,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038401433] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:33:59,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 11:33:59,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 18 [2024-04-05 11:33:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24208178] [2024-04-05 11:33:59,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 11:33:59,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 11:33:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:33:59,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 11:33:59,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-04-05 11:33:59,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:59,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:33:59,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 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) [2024-04-05 11:33:59,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:59,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 11:33:59,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 11:33:59,469 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,SelfDestructingSolverStorable1 [2024-04-05 11:33:59,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 11:33:59,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:33:59,472 INFO L85 PathProgramCache]: Analyzing trace with hash 871184985, now seen corresponding path program 1 times [2024-04-05 11:33:59,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:33:59,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500838928] [2024-04-05 11:33:59,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:33:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:33:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:34:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:34:02,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:34:02,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500838928] [2024-04-05 11:34:02,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500838928] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 11:34:02,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269316803] [2024-04-05 11:34:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:34:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:34:02,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:34:02,053 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) [2024-04-05 11:34:02,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 11:34:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:34:02,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-05 11:34:02,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:34:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:34:02,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:34:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:34:08,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269316803] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:34:08,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 11:34:08,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 47 [2024-04-05 11:34:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604865667] [2024-04-05 11:34:08,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 11:34:08,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-05 11:34:08,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:34:08,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-05 11:34:08,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1907, Unknown=0, NotChecked=0, Total=2162 [2024-04-05 11:34:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:34:08,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:34:08,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.0425531914893615) internal successors, (143), 47 states have internal predecessors, (143), 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) [2024-04-05 11:34:08,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:34:08,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 11:34:08,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:34:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:34:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 11:34:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-05 11:34:47,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 11:34:47,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:34:47,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 11:34:47,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:34:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1295183101, now seen corresponding path program 2 times [2024-04-05 11:34:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:34:47,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372488459] [2024-04-05 11:34:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:34:47,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:34:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:34:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:34:54,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:34:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372488459] [2024-04-05 11:34:54,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372488459] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 11:34:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547365774] [2024-04-05 11:34:54,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 11:34:54,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:34:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:34:54,937 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) [2024-04-05 11:34:54,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 11:34:55,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 11:34:55,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 11:34:55,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-05 11:34:55,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:35:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:35:10,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:37:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 11:37:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547365774] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:37:16,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 11:37:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 83 [2024-04-05 11:37:16,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933542234] [2024-04-05 11:37:16,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 11:37:16,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-04-05 11:37:16,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:37:16,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-04-05 11:37:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=6384, Unknown=29, NotChecked=0, Total=6806 [2024-04-05 11:37:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:37:16,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:37:16,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 2.433734939759036) internal successors, (202), 83 states have internal predecessors, (202), 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) [2024-04-05 11:37:16,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:37:16,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 11:37:16,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-05 11:37:16,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:37:27,113 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 169 DAG size of output: 158 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:37:32,802 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 169 DAG size of output: 157 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:38:17,342 WARN L293 SmtUtils]: Spent 16.45s on a formula simplification. DAG size of input: 162 DAG size of output: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:38:28,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:38:52,960 WARN L293 SmtUtils]: Spent 19.27s on a formula simplification. DAG size of input: 208 DAG size of output: 140 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:39:13,764 WARN L293 SmtUtils]: Spent 16.46s on a formula simplification. DAG size of input: 226 DAG size of output: 101 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:39:15,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:39:45,144 WARN L293 SmtUtils]: Spent 12.31s on a formula simplification. DAG size of input: 219 DAG size of output: 90 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:40:39,928 WARN L293 SmtUtils]: Spent 35.88s on a formula simplification. DAG size of input: 199 DAG size of output: 141 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:40:42,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-04-05 11:40:44,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:40:45,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:41:42,444 WARN L293 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 191 DAG size of output: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:41:44,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:41:56,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:42:13,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:42:15,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:42:27,224 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 124 DAG size of output: 93 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:42:29,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:42:50,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:42:52,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:42:54,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:43:04,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:43:28,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:43:48,808 WARN L293 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 162 DAG size of output: 141 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:44:05,744 WARN L293 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 109 DAG size of output: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:44:07,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:11,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:13,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:15,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:40,870 WARN L293 SmtUtils]: Spent 13.52s on a formula simplification. DAG size of input: 169 DAG size of output: 151 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:44:43,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:45,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:53,889 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 47 DAG size of output: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:44:55,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:57,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:44:58,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:15,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:17,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:19,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:21,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:28,488 WARN L293 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 48 DAG size of output: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 11:45:30,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:32,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:50,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:53,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:56,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:45:59,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:46:21,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-04-05 11:46:23,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:46:33,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:46:35,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:46:55,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:47:00,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:47:16,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:47:18,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:47:27,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 11:48:13,933 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse45 (mod (+ 2 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse6 (* 2 c_~b~0)) (.cse30 (* 2 c_~a~0))) (let ((.cse31 (* (div (+ c_~x_1~0 .cse30) 4294967296) 4294967296)) (.cse7 (* (div (+ c_~x_2~0 .cse6) 4294967296) 4294967296)) (.cse23 (* (div c_~x_2~0 4294967296) 4294967296)) (.cse42 (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296)) (.cse41 (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse8 (* 3 c_~a~0)) (.cse43 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse29 (* (div (+ c_~x_2~0 c_~b~0) 4294967296) 4294967296)) (.cse44 (* (div (+ c_~x_1~0 c_~a~0) 4294967296) 4294967296)) (.cse35 (mod c_~a~0 4294967296)) (.cse33 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse19 (mod c_~b~0 4294967296)) (.cse32 (+ .cse45 1))) (let ((.cse1 (< .cse19 .cse32)) (.cse4 (< .cse33 .cse19)) (.cse16 (+ .cse33 1)) (.cse17 (mod (+ c_thread1Thread1of1ForFork0_~i~0 4) 4294967296)) (.cse13 (< .cse35 (+ (mod c_thread2Thread1of1ForFork1_~i~1 4294967296) 1))) (.cse15 (= (+ .cse29 c_~x_1~0 c_~a~0) (+ c_~x_2~0 c_~b~0 .cse44))) (.cse12 (< .cse19 (+ .cse43 1))) (.cse14 (< .cse45 .cse19)) (.cse25 (* 12884901888 (div c_~b~0 4294967296))) (.cse24 (* 4294967296 (div c_~x_1~0 4294967296))) (.cse26 (* 3 c_thread1Thread1of1ForFork0_~i~0)) (.cse27 (* (div c_thread1Thread1of1ForFork0_~i~0 4294967296) 12884901888)) (.cse28 (* 3 c_~b~0)) (.cse5 (* (div (+ c_~x_1~0 .cse8) 4294967296) 4294967296)) (.cse9 (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296) .cse35)) (.cse10 (< .cse35 (+ .cse41 1))) (.cse11 (< .cse42 .cse35)) (.cse36 (= (+ c_~x_2~0 .cse44) (+ c_~x_1~0 .cse23 c_~a~0))) (.cse37 (< .cse19 (+ (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) 1))) (.cse38 (< .cse43 .cse19)) (.cse39 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 3) 4294967296)) (.cse0 (< .cse35 (+ .cse42 1))) (.cse2 (= (+ c_~x_2~0 .cse31 .cse6) (+ .cse7 c_~x_1~0 .cse30))) (.cse22 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 2) 4294967296)) (.cse3 (< .cse41 .cse35))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= (+ c_~x_2~0 .cse5 .cse6) (+ .cse7 c_~x_1~0 .cse8)) .cse1 .cse9 .cse4 .cse10) (= c_thread2Thread1of1ForFork1_~i~1 3) (or .cse11 .cse12 .cse13 .cse14 .cse15) (or (forall ((v_z_23 Int)) (or (< v_z_23 .cse16) (< .cse17 v_z_23) (let ((.cse18 (* v_z_23 3))) (= (+ c_~x_1~0 .cse8 (* 4294967296 (div (+ c_~x_2~0 .cse18) 4294967296))) (+ c_~x_2~0 .cse18 .cse5))))) .cse9 .cse10) (= 3 c_thread1Thread1of1ForFork0_~i~0) (<= 4 .cse19) (or .cse9 (forall ((v_z_23 Int)) (or (< v_z_23 .cse16) (< .cse17 v_z_23) (let ((.cse20 (* 4 c_~a~0)) (.cse21 (* v_z_23 3))) (= (+ (* (div (+ .cse20 c_~x_1~0) 4294967296) 4294967296) c_~x_2~0 .cse21) (+ .cse20 c_~x_1~0 (* 4294967296 (div (+ c_~x_2~0 .cse21) 4294967296))))))) .cse10) (or .cse11 (< .cse19 (+ (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 1) 4294967296) 1)) (< .cse22 .cse19) .cse13 .cse15) (= c_~x_1~0 .cse8) (or (< (+ c_~x_1~0 .cse23) (+ c_~x_2~0 .cse24 1)) (< (+ c_~x_2~0 .cse25 3 .cse26) (+ .cse23 .cse27 .cse28))) (or .cse0 .cse12 (= (+ .cse29 c_~x_1~0 .cse30) (+ c_~x_2~0 .cse31 c_~b~0)) .cse3 .cse14) (or (forall ((v_z_23 Int)) (or (< v_z_23 .cse32) (< .cse33 v_z_23) (let ((.cse34 (* v_z_23 3))) (= (+ c_~x_1~0 .cse8 (* 4294967296 (div (+ c_~x_2~0 .cse34) 4294967296))) (+ c_~x_2~0 .cse34 .cse5))))) .cse9 .cse10) (<= 3 .cse35) (or (< (+ c_~x_2~0 .cse24) (+ c_~x_1~0 .cse23 1)) (< (+ c_~x_2~0 .cse25 .cse24 .cse26) (+ c_~x_1~0 .cse23 .cse27 .cse28 1))) (or .cse36 (< (mod (+ |c_thread2Thread1of1ForFork1_#t~post2| 1) 4294967296) .cse35) .cse37 .cse38) (= c_~x_2~0 .cse28) (or (forall ((v_z_23 Int)) (or (< (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 4) 4294967296) v_z_23) (< v_z_23 (+ .cse39 1)) (let ((.cse40 (* v_z_23 3))) (= (+ c_~x_1~0 .cse8 (* 4294967296 (div (+ c_~x_2~0 .cse40) 4294967296))) (+ c_~x_2~0 .cse40 .cse5))))) .cse9 .cse10) (or .cse11 .cse36 .cse37 .cse38) (or (< .cse39 .cse19) .cse0 .cse2 (< .cse19 (+ .cse22 1)) .cse3))))) is different from false Received shutdown request... [2024-04-05 11:48:29,457 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 11:48:29,457 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 11:48:29,457 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 11:48:29,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 11:48:29,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:48:29,969 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-8-3-1 context. [2024-04-05 11:48:29,971 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-05 11:48:29,972 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-05 11:48:29,972 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-05 11:48:29,975 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-04-05 11:48:29,977 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 11:48:29,977 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 11:48:29,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 11:48:29 BasicIcfg [2024-04-05 11:48:29,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 11:48:29,979 INFO L158 Benchmark]: Toolchain (without parser) took 873349.41ms. Allocated memory was 310.4MB in the beginning and 449.8MB in the end (delta: 139.5MB). Free memory was 242.3MB in the beginning and 226.7MB in the end (delta: 15.6MB). Peak memory consumption was 156.3MB. Max. memory is 8.0GB. [2024-04-05 11:48:29,979 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 192.9MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 11:48:29,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.21ms. Allocated memory is still 310.4MB. Free memory was 242.2MB in the beginning and 231.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 11:48:29,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.85ms. Allocated memory is still 310.4MB. Free memory was 231.2MB in the beginning and 229.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 11:48:29,980 INFO L158 Benchmark]: Boogie Preprocessor took 22.88ms. Allocated memory is still 310.4MB. Free memory was 229.6MB in the beginning and 228.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 11:48:29,980 INFO L158 Benchmark]: RCFGBuilder took 344.07ms. Allocated memory is still 310.4MB. Free memory was 228.4MB in the beginning and 280.6MB in the end (delta: -52.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-04-05 11:48:29,981 INFO L158 Benchmark]: TraceAbstraction took 872758.32ms. Allocated memory was 310.4MB in the beginning and 449.8MB in the end (delta: 139.5MB). Free memory was 279.3MB in the beginning and 226.7MB in the end (delta: 52.6MB). Peak memory consumption was 193.7MB. Max. memory is 8.0GB. [2024-04-05 11:48:29,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 192.9MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.21ms. Allocated memory is still 310.4MB. Free memory was 242.2MB in the beginning and 231.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.85ms. Allocated memory is still 310.4MB. Free memory was 231.2MB in the beginning and 229.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.88ms. Allocated memory is still 310.4MB. Free memory was 229.6MB in the beginning and 228.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 344.07ms. Allocated memory is still 310.4MB. Free memory was 228.4MB in the beginning and 280.6MB in the end (delta: -52.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 872758.32ms. Allocated memory was 310.4MB in the beginning and 449.8MB in the end (delta: 139.5MB). Free memory was 279.3MB in the beginning and 226.7MB in the end (delta: 52.6MB). Peak memory consumption was 193.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2854, independent: 1990, independent conditional: 1744, independent unconditional: 246, dependent: 864, dependent conditional: 699, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 1744, independent unconditional: 246, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 1744, independent unconditional: 246, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 1744, independent unconditional: 246, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 294, independent unconditional: 1696, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 288, independent unconditional: 1702, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 288, independent unconditional: 1702, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 153, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 153, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1990, independent: 1837, independent conditional: 288, independent unconditional: 1549, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 153, unknown conditional: 0, unknown unconditional: 153] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 153, Positive conditional cache size: 0, Positive unconditional cache size: 153, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 294, independent unconditional: 1696, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 288, independent unconditional: 1702, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1990, independent: 1990, independent conditional: 288, independent unconditional: 1702, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 153, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 153, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1990, independent: 1837, independent conditional: 288, independent unconditional: 1549, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 153, unknown conditional: 0, unknown unconditional: 153] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 153, Positive conditional cache size: 0, Positive unconditional cache size: 153, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6 ], Independence queries for same thread: 864 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-8-3-1 context. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-8-3-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-8-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 872.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 711.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 206, 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, 1.2s SatisfiabilityAnalysisTime, 158.6s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 711 ConstructedInterpolants, 17 QuantifiedInterpolants, 15331 SizeOfPredicates, 49 NumberOfNonLiveVariables, 484 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1/184 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