/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 SLEEP_SET --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/pthread-wmm/safe037.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 20:29:06,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 20:29:06,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 20:29:06,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 20:29:06,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 20:29:07,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 20:29:07,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 20:29:07,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 20:29:07,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 20:29:07,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 20:29:07,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 20:29:07,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 20:29:07,013 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 20:29:07,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 20:29:07,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 20:29:07,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 20:29:07,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 20:29:07,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 20:29:07,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 20:29:07,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 20:29:07,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 20:29:07,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 20:29:07,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 20:29:07,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 20:29:07,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 20:29:07,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 20:29:07,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 20:29:07,016 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 20:29:07,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 20:29:07,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 20:29:07,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 20:29:07,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 20:29:07,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 20:29:07,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 20:29:07,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 20:29:07,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 20:29:07,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 20:29:07,268 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 20:29:07,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037.i [2024-05-06 20:29:08,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 20:29:08,482 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 20:29:08,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i [2024-05-06 20:29:08,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f06f1d9a/57125e6d3c4d4d0e9b1d5da8e563817d/FLAGa2bfe8e58 [2024-05-06 20:29:08,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f06f1d9a/57125e6d3c4d4d0e9b1d5da8e563817d [2024-05-06 20:29:08,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 20:29:08,516 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 20:29:08,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 20:29:08,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 20:29:08,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 20:29:08,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545abf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08, skipping insertion in model container [2024-05-06 20:29:08,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 20:29:08,698 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i[941,954] [2024-05-06 20:29:08,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 20:29:08,843 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 20:29:08,852 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i[941,954] [2024-05-06 20:29:08,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 20:29:08,905 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 20:29:08,905 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 20:29:08,911 INFO L206 MainTranslator]: Completed translation [2024-05-06 20:29:08,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08 WrapperNode [2024-05-06 20:29:08,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 20:29:08,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 20:29:08,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 20:29:08,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 20:29:08,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,976 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-05-06 20:29:08,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 20:29:08,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 20:29:08,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 20:29:08,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 20:29:08,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:08,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:09,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:09,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 20:29:09,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 20:29:09,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 20:29:09,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 20:29:09,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (1/1) ... [2024-05-06 20:29:09,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 20:29:09,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 20:29:09,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 20:29:09,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 20:29:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-06 20:29:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-06 20:29:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-06 20:29:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-06 20:29:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-06 20:29:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 20:29:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 20:29:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 20:29:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 20:29:09,072 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 20:29:09,173 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 20:29:09,175 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 20:29:09,276 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 20:29:09,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 20:29:09,284 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-06 20:29:09,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:29:09 BoogieIcfgContainer [2024-05-06 20:29:09,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 20:29:09,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 20:29:09,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 20:29:09,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 20:29:09,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 08:29:08" (1/3) ... [2024-05-06 20:29:09,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e617db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:29:09, skipping insertion in model container [2024-05-06 20:29:09,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:29:08" (2/3) ... [2024-05-06 20:29:09,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e617db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:29:09, skipping insertion in model container [2024-05-06 20:29:09,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:29:09" (3/3) ... [2024-05-06 20:29:09,291 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037.i [2024-05-06 20:29:09,297 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 20:29:09,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 20:29:09,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 20:29:09,305 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 20:29:09,354 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-06 20:29:09,392 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 20:29:09,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 20:29:09,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 20:29:09,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 20:29:09,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 20:29:09,437 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 20:29:09,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 20:29:09,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 20:29:09,453 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;@5c65efb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 20:29:09,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 20:29:09,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 20:29:09,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 20:29:09,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1034354443, now seen corresponding path program 1 times [2024-05-06 20:29:09,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 20:29:09,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809925286] [2024-05-06 20:29:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:09,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 20:29:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 20:29:09,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 20:29:09,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809925286] [2024-05-06 20:29:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809925286] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 20:29:09,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 20:29:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 20:29:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513854350] [2024-05-06 20:29:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 20:29:09,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 20:29:09,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 20:29:09,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 20:29:09,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 20:29:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:09,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 20:29:09,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 20:29:09,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:09,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 20:29:09,841 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 20:29:09,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 20:29:09,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1701511568, now seen corresponding path program 1 times [2024-05-06 20:29:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 20:29:09,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254122268] [2024-05-06 20:29:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 20:29:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 20:29:10,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 20:29:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254122268] [2024-05-06 20:29:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254122268] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 20:29:10,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 20:29:10,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 20:29:10,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429777668] [2024-05-06 20:29:10,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 20:29:10,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 20:29:10,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 20:29:10,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 20:29:10,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-06 20:29:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:10,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 20:29:10,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 20:29:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:10,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 1 times [2024-05-06 20:29:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:10,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:10,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 20:29:10,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-05-06 20:29:10,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 20:29:10,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 20:29:10,626 INFO L85 PathProgramCache]: Analyzing trace with hash -520234925, now seen corresponding path program 1 times [2024-05-06 20:29:10,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 20:29:10,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626452248] [2024-05-06 20:29:10,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:10,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 20:29:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 20:29:10,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 20:29:10,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626452248] [2024-05-06 20:29:10,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626452248] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 20:29:10,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 20:29:10,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 20:29:10,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073091810] [2024-05-06 20:29:10,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 20:29:10,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 20:29:10,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 20:29:10,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 20:29:10,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 20:29:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:10,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 20:29:10,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 20:29:10,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:10,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 20:29:10,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:11,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 2 times [2024-05-06 20:29:11,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,234 INFO L85 PathProgramCache]: Analyzing trace with hash 343325742, now seen corresponding path program 1 times [2024-05-06 20:29:11,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1750120186, now seen corresponding path program 1 times [2024-05-06 20:29:11,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1384490599, now seen corresponding path program 1 times [2024-05-06 20:29:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1707228966, now seen corresponding path program 1 times [2024-05-06 20:29:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash 499117511, now seen corresponding path program 1 times [2024-05-06 20:29:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash 570289972, now seen corresponding path program 1 times [2024-05-06 20:29:11,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:11,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:11,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1819511807, now seen corresponding path program 1 times [2024-05-06 20:29:12,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:12,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,096 INFO L85 PathProgramCache]: Analyzing trace with hash 197241326, now seen corresponding path program 1 times [2024-05-06 20:29:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:12,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1102015961, now seen corresponding path program 1 times [2024-05-06 20:29:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:12,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash -728285554, now seen corresponding path program 1 times [2024-05-06 20:29:12,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1229220800, now seen corresponding path program 1 times [2024-05-06 20:29:12,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,695 INFO L85 PathProgramCache]: Analyzing trace with hash 237442387, now seen corresponding path program 1 times [2024-05-06 20:29:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:12,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:12,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,589 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 1 times [2024-05-06 20:29:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash 824747361, now seen corresponding path program 1 times [2024-05-06 20:29:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:13,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,841 INFO L85 PathProgramCache]: Analyzing trace with hash -111930060, now seen corresponding path program 1 times [2024-05-06 20:29:13,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:13,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1659044815, now seen corresponding path program 1 times [2024-05-06 20:29:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash 884883278, now seen corresponding path program 1 times [2024-05-06 20:29:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1495432761, now seen corresponding path program 1 times [2024-05-06 20:29:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:13,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:13,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2030038472, now seen corresponding path program 1 times [2024-05-06 20:29:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 20:29:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:14,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-06 20:29:14,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 20:29:14,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 20:29:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1243622975, now seen corresponding path program 2 times [2024-05-06 20:29:14,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 20:29:14,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391791397] [2024-05-06 20:29:14,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 20:29:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 20:29:14,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 20:29:14,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391791397] [2024-05-06 20:29:14,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391791397] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 20:29:14,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 20:29:14,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 20:29:14,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507953270] [2024-05-06 20:29:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 20:29:14,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 20:29:14,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 20:29:14,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 20:29:14,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 20:29:14,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:14,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 20:29:14,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 20:29:14,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:14,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 20:29:14,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:14,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:14,514 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 2 times [2024-05-06 20:29:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,722 INFO L85 PathProgramCache]: Analyzing trace with hash 824747361, now seen corresponding path program 2 times [2024-05-06 20:29:14,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,815 INFO L85 PathProgramCache]: Analyzing trace with hash -111930060, now seen corresponding path program 2 times [2024-05-06 20:29:14,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1659044815, now seen corresponding path program 2 times [2024-05-06 20:29:14,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash 884883278, now seen corresponding path program 2 times [2024-05-06 20:29:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:14,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,218 INFO L85 PathProgramCache]: Analyzing trace with hash -64576787, now seen corresponding path program 1 times [2024-05-06 20:29:15,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,290 INFO L85 PathProgramCache]: Analyzing trace with hash 232502962, now seen corresponding path program 1 times [2024-05-06 20:29:15,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,350 INFO L85 PathProgramCache]: Analyzing trace with hash -434334017, now seen corresponding path program 1 times [2024-05-06 20:29:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 757853528, now seen corresponding path program 1 times [2024-05-06 20:29:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,472 INFO L85 PathProgramCache]: Analyzing trace with hash -71760185, now seen corresponding path program 1 times [2024-05-06 20:29:15,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1848015970, now seen corresponding path program 1 times [2024-05-06 20:29:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 20:29:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:15,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-06 20:29:15,534 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 20:29:15,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 20:29:15,535 INFO L85 PathProgramCache]: Analyzing trace with hash -255071021, now seen corresponding path program 3 times [2024-05-06 20:29:15,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 20:29:15,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319286226] [2024-05-06 20:29:15,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 20:29:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 20:29:15,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 20:29:15,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319286226] [2024-05-06 20:29:15,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319286226] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 20:29:15,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 20:29:15,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 20:29:15,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921286671] [2024-05-06 20:29:15,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 20:29:15,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 20:29:15,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 20:29:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 20:29:15,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 20:29:15,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:15,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 20:29:15,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 20:29:15,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:15,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 20:29:15,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:15,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:15,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 3 times [2024-05-06 20:29:15,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:15,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:15,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:16,392 INFO L85 PathProgramCache]: Analyzing trace with hash -64576787, now seen corresponding path program 2 times [2024-05-06 20:29:16,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 20:29:16,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 20:29:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:16,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 20:29:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 20:29:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 20:29:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 20:29:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 20:29:16,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-06 20:29:16,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-06 20:29:16,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-06 20:29:16,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-06 20:29:16,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2024-05-06 20:29:16,583 INFO L448 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-06 20:29:16,585 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 20:29:16,585 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 20:29:16,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 08:29:16 BasicIcfg [2024-05-06 20:29:16,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 20:29:16,588 INFO L158 Benchmark]: Toolchain (without parser) took 8072.53ms. Allocated memory was 184.5MB in the beginning and 496.0MB in the end (delta: 311.4MB). Free memory was 112.4MB in the beginning and 220.7MB in the end (delta: -108.3MB). Peak memory consumption was 204.5MB. Max. memory is 8.0GB. [2024-05-06 20:29:16,588 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 151.5MB in the end (delta: 81.5kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 20:29:16,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.87ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 91.5MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-06 20:29:16,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.64ms. Allocated memory was 184.5MB in the beginning and 300.9MB in the end (delta: 116.4MB). Free memory was 91.4MB in the beginning and 268.1MB in the end (delta: -176.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2024-05-06 20:29:16,589 INFO L158 Benchmark]: Boogie Preprocessor took 24.62ms. Allocated memory is still 300.9MB. Free memory was 268.1MB in the beginning and 266.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 20:29:16,589 INFO L158 Benchmark]: RCFGBuilder took 283.09ms. Allocated memory is still 300.9MB. Free memory was 266.6MB in the beginning and 259.7MB in the end (delta: 6.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 20:29:16,589 INFO L158 Benchmark]: TraceAbstraction took 7300.76ms. Allocated memory was 300.9MB in the beginning and 496.0MB in the end (delta: 195.0MB). Free memory was 258.6MB in the beginning and 220.7MB in the end (delta: 37.9MB). Peak memory consumption was 233.5MB. Max. memory is 8.0GB. [2024-05-06 20:29:16,590 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 184.5MB. Free memory was 151.6MB in the beginning and 151.5MB in the end (delta: 81.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.87ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 91.5MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.64ms. Allocated memory was 184.5MB in the beginning and 300.9MB in the end (delta: 116.4MB). Free memory was 91.4MB in the beginning and 268.1MB in the end (delta: -176.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.62ms. Allocated memory is still 300.9MB. Free memory was 268.1MB in the beginning and 266.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 283.09ms. Allocated memory is still 300.9MB. Free memory was 266.6MB in the beginning and 259.7MB in the end (delta: 6.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 7300.76ms. Allocated memory was 300.9MB in the beginning and 496.0MB in the end (delta: 195.0MB). Free memory was 258.6MB in the beginning and 220.7MB in the end (delta: 37.9MB). Peak memory consumption was 233.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 165213, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1656, dependent conditional: 1656, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165136, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1579, dependent conditional: 1579, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165136, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1579, dependent conditional: 1579, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165136, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1579, dependent conditional: 1579, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 78262, independent unconditional: 85295, dependent: 6153, dependent conditional: 4574, dependent unconditional: 1579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1224, independent: 1211, independent conditional: 204, independent unconditional: 1007, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1224, independent: 1194, independent conditional: 0, independent unconditional: 1194, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 19, independent conditional: 14, independent unconditional: 4, dependent: 39, dependent conditional: 28, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 169710, independent: 162346, independent conditional: 36546, independent unconditional: 125800, dependent: 6140, dependent conditional: 1175, dependent unconditional: 4965, unknown: 1224, unknown conditional: 208, unknown unconditional: 1016] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1211, Positive conditional cache size: 204, Positive unconditional cache size: 1007, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44907, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 78262, independent unconditional: 85295, dependent: 6153, dependent conditional: 4574, dependent unconditional: 1579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1224, independent: 1211, independent conditional: 204, independent unconditional: 1007, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1224, independent: 1194, independent conditional: 0, independent unconditional: 1194, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 19, independent conditional: 14, independent unconditional: 4, dependent: 39, dependent conditional: 28, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 169710, independent: 162346, independent conditional: 36546, independent unconditional: 125800, dependent: 6140, dependent conditional: 1175, dependent unconditional: 4965, unknown: 1224, unknown conditional: 208, unknown unconditional: 1016] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1211, Positive conditional cache size: 204, Positive unconditional cache size: 1007, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44907 ], Independence queries for same thread: 77 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 125 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.9s, 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: 39, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 3.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 60, ConditionalCommutativityTraceChecks: 34, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 20:29:16,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 20:29:16,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...