/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 15:41:44,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 15:41:44,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 15:41:44,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 15:41:44,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 15:41:44,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 15:41:44,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 15:41:44,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 15:41:44,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 15:41:44,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 15:41:44,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 15:41:44,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 15:41:44,280 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 15:41:44,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 15:41:44,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 15:41:44,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 15:41:44,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 15:41:44,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 15:41:44,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 15:41:44,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 15:41:44,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 15:41:44,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 15:41:44,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 15:41:44,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 15:41:44,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 15:41:44,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 15:41:44,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 15:41:44,284 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 15:41:44,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 15:41:44,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 15:41:44,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 15:41:44,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 15:41:44,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 15:41:44,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 15:41:44,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 15:41:44,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 15:41:44,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 15:41:44,579 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 15:41:44,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2024-05-05 15:41:45,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 15:41:45,909 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 15:41:45,910 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2024-05-05 15:41:45,932 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6914090d6/92ccc20faed0408fb9a8001f68591f3d/FLAGc2e55de73 [2024-05-05 15:41:45,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6914090d6/92ccc20faed0408fb9a8001f68591f3d [2024-05-05 15:41:45,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 15:41:45,952 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 15:41:45,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 15:41:45,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 15:41:45,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 15:41:45,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:41:45" (1/1) ... [2024-05-05 15:41:45,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251fff61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:45, skipping insertion in model container [2024-05-05 15:41:45,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:41:45" (1/1) ... [2024-05-05 15:41:46,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 15:41:46,271 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-atomic/szymanski.i[31505,31518] [2024-05-05 15:41:46,279 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-atomic/szymanski.i[32915,32928] [2024-05-05 15:41:46,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 15:41:46,294 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 15:41:46,337 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-atomic/szymanski.i[31505,31518] [2024-05-05 15:41:46,343 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-atomic/szymanski.i[32915,32928] [2024-05-05 15:41:46,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 15:41:46,370 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 15:41:46,370 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 15:41:46,376 INFO L206 MainTranslator]: Completed translation [2024-05-05 15:41:46,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46 WrapperNode [2024-05-05 15:41:46,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 15:41:46,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 15:41:46,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 15:41:46,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 15:41:46,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,423 INFO L138 Inliner]: procedures = 170, calls = 74, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-05-05 15:41:46,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 15:41:46,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 15:41:46,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 15:41:46,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 15:41:46,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 15:41:46,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 15:41:46,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 15:41:46,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 15:41:46,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (1/1) ... [2024-05-05 15:41:46,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 15:41:46,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:41:46,489 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) [2024-05-05 15:41:46,507 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 [2024-05-05 15:41:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 15:41:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-05-05 15:41:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-05-05 15:41:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-05-05 15:41:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-05-05 15:41:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 15:41:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 15:41:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 15:41:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 15:41:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 15:41:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 15:41:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 15:41:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 15:41:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 15:41:46,533 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 15:41:46,663 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 15:41:46,665 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 15:41:46,793 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 15:41:46,800 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 15:41:46,800 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-05-05 15:41:46,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:41:46 BoogieIcfgContainer [2024-05-05 15:41:46,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 15:41:46,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 15:41:46,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 15:41:46,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 15:41:46,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 03:41:45" (1/3) ... [2024-05-05 15:41:46,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56042806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:41:46, skipping insertion in model container [2024-05-05 15:41:46,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:46" (2/3) ... [2024-05-05 15:41:46,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56042806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:41:46, skipping insertion in model container [2024-05-05 15:41:46,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:41:46" (3/3) ... [2024-05-05 15:41:46,807 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-05-05 15:41:46,813 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 15:41:46,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 15:41:46,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-05 15:41:46,820 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 15:41:46,870 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 15:41:46,905 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 15:41:46,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 15:41:46,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:41:46,928 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) [2024-05-05 15:41:46,971 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 [2024-05-05 15:41:47,015 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 15:41:47,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:47,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 15:41:47,038 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;@73dab9ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-05 15:41:47,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-05 15:41:47,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:47,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -277938425, now seen corresponding path program 1 times [2024-05-05 15:41:47,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:47,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620102114] [2024-05-05 15:41:47,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-05-05 15:41:47,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:47,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620102114] [2024-05-05 15:41:47,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620102114] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:41:47,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:41:47,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-05 15:41:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599355416] [2024-05-05 15:41:47,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:41:47,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 15:41:47,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:47,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 15:41:47,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-05 15:41:47,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:47,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:47,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 15:41:47,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:47,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 15:41:47,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:47,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1918429948, now seen corresponding path program 1 times [2024-05-05 15:41:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930793433] [2024-05-05 15:41:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:47,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-05 15:41:47,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:47,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930793433] [2024-05-05 15:41:47,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930793433] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:41:47,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:41:47,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-05 15:41:47,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239037873] [2024-05-05 15:41:47,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:41:47,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 15:41:47,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 15:41:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-05 15:41:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:47,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:47,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 15:41:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:47,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:47,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 15:41:47,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:47,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:47,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1776603492, now seen corresponding path program 1 times [2024-05-05 15:41:47,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:47,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415101633] [2024-05-05 15:41:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-05 15:41:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415101633] [2024-05-05 15:41:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415101633] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:41:48,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:41:48,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-05 15:41:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022729216] [2024-05-05 15:41:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:41:48,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 15:41:48,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:48,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 15:41:48,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-05 15:41:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:48,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:48,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 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) [2024-05-05 15:41:48,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:48,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 15:41:48,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:48,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash 94208931, now seen corresponding path program 1 times [2024-05-05 15:41:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:48,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233472430] [2024-05-05 15:41:48,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 15:41:48,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233472430] [2024-05-05 15:41:48,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233472430] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:41:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648501128] [2024-05-05 15:41:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:41:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:41:48,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:41:48,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 15:41:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2024-05-05 15:41:48,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:41:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-05 15:41:48,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 15:41:48,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648501128] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:41:48,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 15:41:48,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-05-05 15:41:48,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510707704] [2024-05-05 15:41:48,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:41:48,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 15:41:48,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:48,442 INFO L85 PathProgramCache]: Analyzing trace with hash 301543571, now seen corresponding path program 1 times [2024-05-05 15:41:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:48,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 15:41:48,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:48,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 15:41:48,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 15:41:48,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-05 15:41:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:48,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:48,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-05-05 15:41:48,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:48,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 15:41:48,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-05 15:41:48,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:48,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash -426412620, now seen corresponding path program 1 times [2024-05-05 15:41:48,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:48,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624427360] [2024-05-05 15:41:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:48,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 15:41:48,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:48,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624427360] [2024-05-05 15:41:48,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624427360] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:41:48,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654091748] [2024-05-05 15:41:48,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:48,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:41:48,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:41:48,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:41:48,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 15:41:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:48,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2024-05-05 15:41:48,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:41:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-05 15:41:48,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 15:41:48,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654091748] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:41:48,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 15:41:48,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-05-05 15:41:48,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557336198] [2024-05-05 15:41:48,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:41:48,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 15:41:48,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:48,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 15:41:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-05 15:41:48,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:48,968 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:48,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-05-05 15:41:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 15:41:49,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:41:49,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:49,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2010599579, now seen corresponding path program 1 times [2024-05-05 15:41:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:49,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966017952] [2024-05-05 15:41:49,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-05 15:41:49,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966017952] [2024-05-05 15:41:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966017952] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:41:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521595489] [2024-05-05 15:41:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:49,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:41:49,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:41:49,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:41:49,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 15:41:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:49,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-05 15:41:49,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:41:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 15:41:49,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:41:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 15:41:49,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521595489] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:41:49,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:41:49,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-05-05 15:41:49,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705707146] [2024-05-05 15:41:49,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:41:49,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 15:41:49,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:49,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 15:41:49,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-05-05 15:41:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:49,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:49,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2024-05-05 15:41:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 15:41:49,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 15:41:49,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:41:49,803 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:49,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:49,803 INFO L85 PathProgramCache]: Analyzing trace with hash 329516896, now seen corresponding path program 1 times [2024-05-05 15:41:49,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:49,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130489709] [2024-05-05 15:41:49,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:49,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 15:41:49,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:49,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130489709] [2024-05-05 15:41:49,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130489709] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:41:49,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:41:49,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-05 15:41:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862873932] [2024-05-05 15:41:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:41:49,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 15:41:49,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 15:41:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-05 15:41:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:49,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:49,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 15:41:49,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 15:41:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-05 15:41:50,269 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 15:41:50,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:41:50,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1844920183, now seen corresponding path program 1 times [2024-05-05 15:41:50,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:41:50,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450277750] [2024-05-05 15:41:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 15:41:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:41:50,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450277750] [2024-05-05 15:41:50,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450277750] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:41:50,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685490845] [2024-05-05 15:41:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:50,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:41:50,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:41:50,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:41:50,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 15:41:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:41:50,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-05 15:41:50,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:41:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 15:41:50,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:41:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 15:41:50,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685490845] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:41:50,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:41:50,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-05-05 15:41:50,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268604938] [2024-05-05 15:41:50,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:41:50,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 15:41:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:41:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1931671880, now seen corresponding path program 1 times [2024-05-05 15:41:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:41:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:41:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:41:50,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 15:41:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:41:50,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 15:41:50,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-05-05 15:41:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:50,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:41:50,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:50,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:41:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 15:41:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 15:41:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 15:41:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 15:41:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-05-05 15:41:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-05-05 15:41:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-05-05 15:41:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-05-05 15:41:51,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-05 15:41:51,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-05 15:41:51,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 15:41:51,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-05 15:41:51,275 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 15:41:51,279 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 15:41:51,279 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 15:41:51,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 03:41:51 BasicIcfg [2024-05-05 15:41:51,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 15:41:51,282 INFO L158 Benchmark]: Toolchain (without parser) took 5329.97ms. Allocated memory was 154.1MB in the beginning and 284.2MB in the end (delta: 130.0MB). Free memory was 88.8MB in the beginning and 125.3MB in the end (delta: -36.5MB). Peak memory consumption was 93.7MB. Max. memory is 8.0GB. [2024-05-05 15:41:51,282 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 154.1MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 15:41:51,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.12ms. Allocated memory was 154.1MB in the beginning and 233.8MB in the end (delta: 79.7MB). Free memory was 88.6MB in the beginning and 196.5MB in the end (delta: -107.9MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2024-05-05 15:41:51,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.67ms. Allocated memory is still 233.8MB. Free memory was 196.5MB in the beginning and 194.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 15:41:51,283 INFO L158 Benchmark]: Boogie Preprocessor took 31.61ms. Allocated memory is still 233.8MB. Free memory was 194.9MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 15:41:51,283 INFO L158 Benchmark]: RCFGBuilder took 345.96ms. Allocated memory is still 233.8MB. Free memory was 193.4MB in the beginning and 178.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-05 15:41:51,283 INFO L158 Benchmark]: TraceAbstraction took 4478.39ms. Allocated memory was 233.8MB in the beginning and 284.2MB in the end (delta: 50.3MB). Free memory was 176.6MB in the beginning and 125.3MB in the end (delta: 51.3MB). Peak memory consumption was 101.6MB. Max. memory is 8.0GB. [2024-05-05 15:41:51,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 154.1MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.12ms. Allocated memory was 154.1MB in the beginning and 233.8MB in the end (delta: 79.7MB). Free memory was 88.6MB in the beginning and 196.5MB in the end (delta: -107.9MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.67ms. Allocated memory is still 233.8MB. Free memory was 196.5MB in the beginning and 194.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.61ms. Allocated memory is still 233.8MB. Free memory was 194.9MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 345.96ms. Allocated memory is still 233.8MB. Free memory was 193.4MB in the beginning and 178.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4478.39ms. Allocated memory was 233.8MB in the beginning and 284.2MB in the end (delta: 50.3MB). Free memory was 176.6MB in the beginning and 125.3MB in the end (delta: 51.3MB). Peak memory consumption was 101.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25736, independent: 21881, independent conditional: 21601, independent unconditional: 280, dependent: 3855, dependent conditional: 3851, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22896, independent: 21881, independent conditional: 21601, independent unconditional: 280, dependent: 1015, dependent conditional: 1011, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22896, independent: 21881, independent conditional: 21601, independent unconditional: 280, dependent: 1015, dependent conditional: 1011, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22896, independent: 21881, independent conditional: 21601, independent unconditional: 280, dependent: 1015, dependent conditional: 1011, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27107, independent: 21881, independent conditional: 582, independent unconditional: 21299, dependent: 5226, dependent conditional: 3196, dependent unconditional: 2030, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27107, independent: 21881, independent conditional: 490, independent unconditional: 21391, dependent: 5226, dependent conditional: 835, dependent unconditional: 4391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27107, independent: 21881, independent conditional: 490, independent unconditional: 21391, dependent: 5226, dependent conditional: 835, dependent unconditional: 4391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1918, independent: 1694, independent conditional: 83, independent unconditional: 1611, dependent: 224, dependent conditional: 115, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1918, independent: 1688, independent conditional: 0, independent unconditional: 1688, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 230, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 224, dependent conditional: 115, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 224, dependent conditional: 115, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 232, dependent conditional: 107, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27107, independent: 20187, independent conditional: 407, independent unconditional: 19780, dependent: 5002, dependent conditional: 720, dependent unconditional: 4282, unknown: 1918, unknown conditional: 198, unknown unconditional: 1720] , Statistics on independence cache: Total cache size (in pairs): 1918, Positive cache size: 1694, Positive conditional cache size: 83, Positive unconditional cache size: 1611, Negative cache size: 224, Negative conditional cache size: 115, Negative unconditional cache size: 109, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2453, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27107, independent: 21881, independent conditional: 582, independent unconditional: 21299, dependent: 5226, dependent conditional: 3196, dependent unconditional: 2030, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27107, independent: 21881, independent conditional: 490, independent unconditional: 21391, dependent: 5226, dependent conditional: 835, dependent unconditional: 4391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27107, independent: 21881, independent conditional: 490, independent unconditional: 21391, dependent: 5226, dependent conditional: 835, dependent unconditional: 4391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1918, independent: 1694, independent conditional: 83, independent unconditional: 1611, dependent: 224, dependent conditional: 115, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1918, independent: 1688, independent conditional: 0, independent unconditional: 1688, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 230, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 224, dependent conditional: 115, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 224, dependent conditional: 115, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 232, dependent conditional: 107, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27107, independent: 20187, independent conditional: 407, independent unconditional: 19780, dependent: 5002, dependent conditional: 720, dependent unconditional: 4282, unknown: 1918, unknown conditional: 198, unknown unconditional: 1720] , Statistics on independence cache: Total cache size (in pairs): 1918, Positive cache size: 1694, Positive conditional cache size: 83, Positive unconditional cache size: 1611, Negative cache size: 224, Negative conditional cache size: 115, Negative unconditional cache size: 109, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2453 ], Independence queries for same thread: 2840 - PositiveResult [Line: 802]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 745]: 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 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 795 NumberOfCodeBlocks, 795 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 901 ConstructedInterpolants, 0 QuantifiedInterpolants, 1171 SizeOfPredicates, 2 NumberOfNonLiveVariables, 623 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 184/199 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: 0.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 1 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-05 15:41:51,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 15:41:51,502 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...