/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 FORWARD -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 05:35:55,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 05:35:55,628 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 05:35:55,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 05:35:55,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 05:35:55,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 05:35:55,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 05:35:55,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 05:35:55,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 05:35:55,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 05:35:55,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 05:35:55,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 05:35:55,662 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 05:35:55,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 05:35:55,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 05:35:55,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 05:35:55,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 05:35:55,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 05:35:55,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 05:35:55,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 05:35:55,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 05:35:55,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 05:35:55,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 05:35:55,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 05:35:55,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 05:35:55,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 05:35:55,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 05:35:55,667 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 05:35:55,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 05:35:55,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 05:35:55,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 05:35:55,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 05:35:55,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 05:35:55,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD [2024-05-05 05:35:55,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 05:35:55,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 05:35:55,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 05:35:55,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 05:35:55,916 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 05:35:55,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-05 05:35:57,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 05:35:57,452 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 05:35:57,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-05 05:35:57,465 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/21061c0a8/9df2add5ef364065b7ac0eaf7350a3aa/FLAGa6a8ac90b [2024-05-05 05:35:57,479 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/21061c0a8/9df2add5ef364065b7ac0eaf7350a3aa [2024-05-05 05:35:57,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 05:35:57,483 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 05:35:57,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 05:35:57,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 05:35:57,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 05:35:57,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2ecd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57, skipping insertion in model container [2024-05-05 05:35:57,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 05:35:57,639 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/safe028_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-05 05:35:57,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 05:35:57,791 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 05:35:57,804 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/safe028_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-05 05:35:57,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 05:35:57,877 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 05:35:57,877 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 05:35:57,883 INFO L206 MainTranslator]: Completed translation [2024-05-05 05:35:57,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57 WrapperNode [2024-05-05 05:35:57,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 05:35:57,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 05:35:57,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 05:35:57,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 05:35:57,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,919 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-05-05 05:35:57,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 05:35:57,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 05:35:57,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 05:35:57,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 05:35:57,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 05:35:57,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 05:35:57,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 05:35:57,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 05:35:57,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (1/1) ... [2024-05-05 05:35:57,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 05:35:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 05:35:57,966 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 05:35:57,982 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 05:35:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-05 05:35:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-05 05:35:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-05 05:35:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-05 05:35:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-05 05:35:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 05:35:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 05:35:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 05:35:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 05:35:58,004 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 05:35:58,102 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 05:35:58,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 05:35:58,260 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 05:35:58,269 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 05:35:58,270 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-05 05:35:58,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 05:35:58 BoogieIcfgContainer [2024-05-05 05:35:58,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 05:35:58,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 05:35:58,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 05:35:58,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 05:35:58,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 05:35:57" (1/3) ... [2024-05-05 05:35:58,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10deae04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 05:35:58, skipping insertion in model container [2024-05-05 05:35:58,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:35:57" (2/3) ... [2024-05-05 05:35:58,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10deae04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 05:35:58, skipping insertion in model container [2024-05-05 05:35:58,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 05:35:58" (3/3) ... [2024-05-05 05:35:58,278 INFO L112 eAbstractionObserver]: Analyzing ICFG safe028_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-05 05:35:58,284 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 05:35:58,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 05:35:58,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 05:35:58,293 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 05:35:58,338 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 05:35:58,372 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 05:35:58,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 05:35:58,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 05:35:58,388 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 05:35:58,392 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 05:35:58,418 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 05:35:58,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 05:35:58,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 05:35:58,437 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;@74989dda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=FORWARD, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 05:35:58,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 05:35:58,483 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)] === [2024-05-05 05:35:58,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 05:35:58,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2125538957, now seen corresponding path program 1 times [2024-05-05 05:35:58,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 05:35:58,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273328748] [2024-05-05 05:35:58,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:35:58,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:35:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:35:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:35:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 05:35:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273328748] [2024-05-05 05:35:58,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273328748] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 05:35:58,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 05:35:58,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 05:35:58,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578775221] [2024-05-05 05:35:58,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 05:35:58,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 05:35:58,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 05:35:58,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 05:35:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 05:35:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:58,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 05:35:58,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 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 05:35:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:58,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 05:35:58,877 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)] === [2024-05-05 05:35:58,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 05:35:58,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1254984989, now seen corresponding path program 1 times [2024-05-05 05:35:58,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 05:35:58,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384624159] [2024-05-05 05:35:58,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:35:58,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:35:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:35:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:35:59,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 05:35:59,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384624159] [2024-05-05 05:35:59,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384624159] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 05:35:59,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 05:35:59,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 05:35:59,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976487466] [2024-05-05 05:35:59,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 05:35:59,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 05:35:59,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 05:35:59,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 05:35:59,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-05 05:35:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:59,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 05:35:59,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 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 05:35:59,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:59,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:59,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 05:35:59,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 05:35:59,494 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)] === [2024-05-05 05:35:59,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 05:35:59,494 INFO L85 PathProgramCache]: Analyzing trace with hash 558455782, now seen corresponding path program 1 times [2024-05-05 05:35:59,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 05:35:59,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335812766] [2024-05-05 05:35:59,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:35:59,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:35:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:35:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:35:59,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 05:35:59,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335812766] [2024-05-05 05:35:59,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335812766] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 05:35:59,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 05:35:59,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 05:35:59,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088691359] [2024-05-05 05:35:59,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 05:35:59,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 05:35:59,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 05:35:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash -876624204, now seen corresponding path program 1 times [2024-05-05 05:35:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:35:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:35:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:35:59,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:35:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:35:59,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 05:35:59,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-05 05:35:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:59,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 05:35:59,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 05:35:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:35:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 05:35:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:00,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 05:36:00,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 05:36:00,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-05-05 05:36:00,423 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)] === [2024-05-05 05:36:00,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 05:36:00,425 INFO L85 PathProgramCache]: Analyzing trace with hash 237345110, now seen corresponding path program 2 times [2024-05-05 05:36:00,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 05:36:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86415072] [2024-05-05 05:36:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:00,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 05:36:00,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86415072] [2024-05-05 05:36:00,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86415072] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 05:36:00,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 05:36:00,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 05:36:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780564957] [2024-05-05 05:36:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 05:36:00,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 05:36:00,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 05:36:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash 355339926, now seen corresponding path program 1 times [2024-05-05 05:36:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:00,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:36:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:00,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1162457332, now seen corresponding path program 1 times [2024-05-05 05:36:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:00,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:00,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:01,031 INFO L85 PathProgramCache]: Analyzing trace with hash -906078396, now seen corresponding path program 2 times [2024-05-05 05:36:01,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:01,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:36:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 05:36:01,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-05-05 05:36:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:01,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 05:36:01,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 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 05:36:01,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:01,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-05 05:36:01,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 05:36:01,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 05:36:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 05:36:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 05:36:01,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-05 05:36:01,557 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)] === [2024-05-05 05:36:01,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 05:36:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1932217476, now seen corresponding path program 3 times [2024-05-05 05:36:01,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 05:36:01,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489276038] [2024-05-05 05:36:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:01,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 05:36:01,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489276038] [2024-05-05 05:36:01,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489276038] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 05:36:01,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 05:36:01,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 05:36:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174158842] [2024-05-05 05:36:01,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 05:36:01,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 05:36:01,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 05:36:01,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1840655753, now seen corresponding path program 1 times [2024-05-05 05:36:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:01,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:36:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1905280729, now seen corresponding path program 1 times [2024-05-05 05:36:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:36:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1065839352, now seen corresponding path program 1 times [2024-05-05 05:36:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:01,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:36:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:01,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2069394455, now seen corresponding path program 1 times [2024-05-05 05:36:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:02,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1248117651, now seen corresponding path program 1 times [2024-05-05 05:36:02,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:02,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 05:36:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 05:36:02,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1006701090, now seen corresponding path program 3 times [2024-05-05 05:36:02,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 05:36:02,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 05:36:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:02,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 05:36:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 05:36:02,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 05:36:02,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-05-05 05:36:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:02,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 05:36:02,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.4) internal successors, (154), 11 states have internal predecessors, (154), 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 05:36:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-05 05:36:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 05:36:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 05:36:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 05:36:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 05:36:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 05:36:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 05:36:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 05:36:02,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-05 05:36:02,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-05 05:36:02,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-05 05:36:02,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-05 05:36:02,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-05 05:36:02,987 INFO L448 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 05:36:02,989 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 05:36:02,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 05:36:02,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 05:36:02 BasicIcfg [2024-05-05 05:36:02,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 05:36:02,997 INFO L158 Benchmark]: Toolchain (without parser) took 5514.26ms. Allocated memory was 178.3MB in the beginning and 532.7MB in the end (delta: 354.4MB). Free memory was 105.9MB in the beginning and 376.3MB in the end (delta: -270.5MB). Peak memory consumption was 270.4MB. Max. memory is 8.0GB. [2024-05-05 05:36:02,997 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 178.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 05:36:02,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.65ms. Allocated memory is still 178.3MB. Free memory was 105.7MB in the beginning and 85.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-05 05:36:02,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.66ms. Allocated memory is still 178.3MB. Free memory was 84.9MB in the beginning and 83.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 05:36:02,997 INFO L158 Benchmark]: Boogie Preprocessor took 18.71ms. Allocated memory is still 178.3MB. Free memory was 83.0MB in the beginning and 81.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 05:36:02,998 INFO L158 Benchmark]: RCFGBuilder took 332.16ms. Allocated memory was 178.3MB in the beginning and 356.5MB in the end (delta: 178.3MB). Free memory was 81.4MB in the beginning and 320.3MB in the end (delta: -238.9MB). Peak memory consumption was 18.7MB. Max. memory is 8.0GB. [2024-05-05 05:36:02,998 INFO L158 Benchmark]: TraceAbstraction took 4723.39ms. Allocated memory was 356.5MB in the beginning and 532.7MB in the end (delta: 176.2MB). Free memory was 318.8MB in the beginning and 376.3MB in the end (delta: -57.6MB). Peak memory consumption was 304.2MB. Max. memory is 8.0GB. [2024-05-05 05:36:02,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 178.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 396.65ms. Allocated memory is still 178.3MB. Free memory was 105.7MB in the beginning and 85.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.66ms. Allocated memory is still 178.3MB. Free memory was 84.9MB in the beginning and 83.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.71ms. Allocated memory is still 178.3MB. Free memory was 83.0MB in the beginning and 81.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 332.16ms. Allocated memory was 178.3MB in the beginning and 356.5MB in the end (delta: 178.3MB). Free memory was 81.4MB in the beginning and 320.3MB in the end (delta: -238.9MB). Peak memory consumption was 18.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4723.39ms. Allocated memory was 356.5MB in the beginning and 532.7MB in the end (delta: 176.2MB). Free memory was 318.8MB in the beginning and 376.3MB in the end (delta: -57.6MB). Peak memory consumption was 304.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 77649, independent: 77017, independent conditional: 76887, independent unconditional: 130, dependent: 632, dependent conditional: 631, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77542, independent: 77017, independent conditional: 76887, independent unconditional: 130, dependent: 525, dependent conditional: 524, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77542, independent: 77017, independent conditional: 76887, independent unconditional: 130, dependent: 525, dependent conditional: 524, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 77542, independent: 77017, independent conditional: 76887, independent unconditional: 130, dependent: 525, dependent conditional: 524, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80037, independent: 77017, independent conditional: 729, independent unconditional: 76288, dependent: 3020, dependent conditional: 1583, dependent unconditional: 1437, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 80037, independent: 77017, independent conditional: 459, independent unconditional: 76558, dependent: 3020, dependent conditional: 285, dependent unconditional: 2735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 80037, independent: 77017, independent conditional: 459, independent unconditional: 76558, dependent: 3020, dependent conditional: 285, dependent unconditional: 2735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 796, independent: 781, independent conditional: 57, independent unconditional: 724, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 796, independent: 732, independent conditional: 0, independent unconditional: 732, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 45, independent unconditional: 4, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 45, independent unconditional: 4, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, independent: 127, independent conditional: 112, independent unconditional: 15, dependent: 42, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 80037, independent: 76236, independent conditional: 402, independent unconditional: 75834, dependent: 3005, dependent conditional: 279, dependent unconditional: 2726, unknown: 796, unknown conditional: 63, unknown unconditional: 733] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 781, Positive conditional cache size: 57, Positive unconditional cache size: 724, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1568, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80037, independent: 77017, independent conditional: 729, independent unconditional: 76288, dependent: 3020, dependent conditional: 1583, dependent unconditional: 1437, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 80037, independent: 77017, independent conditional: 459, independent unconditional: 76558, dependent: 3020, dependent conditional: 285, dependent unconditional: 2735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 80037, independent: 77017, independent conditional: 459, independent unconditional: 76558, dependent: 3020, dependent conditional: 285, dependent unconditional: 2735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 796, independent: 781, independent conditional: 57, independent unconditional: 724, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 796, independent: 732, independent conditional: 0, independent unconditional: 732, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 45, independent unconditional: 4, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 45, independent unconditional: 4, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, independent: 127, independent conditional: 112, independent unconditional: 15, dependent: 42, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 80037, independent: 76236, independent conditional: 402, independent unconditional: 75834, dependent: 3005, dependent conditional: 279, dependent unconditional: 2726, unknown: 796, unknown conditional: 63, unknown unconditional: 733] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 781, Positive conditional cache size: 57, Positive unconditional cache size: 724, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1568 ], Independence queries for same thread: 107 - 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, 118 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.0s, 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: 51, 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, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 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: 1.2s, ConditionalCommutativityIAIntegrations: 3, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 11, ConditionalCommutativityTraceChecks: 10, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-05 05:36:03,021 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 05:36:03,226 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...