/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 15:59:15,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 15:59:15,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 15:59:15,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 15:59:15,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 15:59:15,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 15:59:15,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 15:59:15,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 15:59:15,360 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 15:59:15,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 15:59:15,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 15:59:15,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 15:59:15,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 15:59:15,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 15:59:15,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 15:59:15,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 15:59:15,362 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 15:59:15,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 15:59:15,362 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 15:59:15,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 15:59:15,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 15:59:15,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 15:59:15,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 15:59:15,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 15:59:15,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 15:59:15,364 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 15:59:15,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 15:59:15,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 15:59:15,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 15:59:15,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 15:59:15,365 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 15:59:15,365 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 15:59:15,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 15:59:15,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 15:59:15,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 15:59:15,616 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 15:59:15,617 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 15:59:15,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-05-20 15:59:15,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397528a60/43adc83911244880a55956168739391d/FLAG495da960e [2023-05-20 15:59:16,078 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 15:59:16,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-05-20 15:59:16,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397528a60/43adc83911244880a55956168739391d/FLAG495da960e [2023-05-20 15:59:16,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397528a60/43adc83911244880a55956168739391d [2023-05-20 15:59:16,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 15:59:16,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 15:59:16,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 15:59:16,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 15:59:16,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 15:59:16,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3394a4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16, skipping insertion in model container [2023-05-20 15:59:16,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 15:59:16,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 15:59:16,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2023-05-20 15:59:16,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 15:59:16,783 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 15:59:16,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2023-05-20 15:59:16,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 15:59:16,845 INFO L208 MainTranslator]: Completed translation [2023-05-20 15:59:16,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16 WrapperNode [2023-05-20 15:59:16,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 15:59:16,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 15:59:16,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 15:59:16,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 15:59:16,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,894 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-05-20 15:59:16,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 15:59:16,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 15:59:16,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 15:59:16,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 15:59:16,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 15:59:16,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 15:59:16,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 15:59:16,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 15:59:16,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (1/1) ... [2023-05-20 15:59:16,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 15:59:16,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:59:16,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 15:59:16,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 15:59:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 15:59:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 15:59:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 15:59:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 15:59:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 15:59:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-20 15:59:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-20 15:59:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-20 15:59:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-20 15:59:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-20 15:59:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-20 15:59:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 15:59:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 15:59:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 15:59:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 15:59:17,010 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 15:59:17,098 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 15:59:17,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 15:59:17,229 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 15:59:17,236 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 15:59:17,236 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 15:59:17,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:59:17 BoogieIcfgContainer [2023-05-20 15:59:17,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 15:59:17,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 15:59:17,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 15:59:17,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 15:59:17,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 03:59:16" (1/3) ... [2023-05-20 15:59:17,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537de88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:59:17, skipping insertion in model container [2023-05-20 15:59:17,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:59:16" (2/3) ... [2023-05-20 15:59:17,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537de88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:59:17, skipping insertion in model container [2023-05-20 15:59:17,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:59:17" (3/3) ... [2023-05-20 15:59:17,243 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-05-20 15:59:17,248 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 15:59:17,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 15:59:17,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 15:59:17,255 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 15:59:17,334 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 15:59:17,389 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:59:17,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 15:59:17,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:59:17,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 15:59:17,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 15:59:17,423 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 15:59:17,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 15:59:17,450 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=LoopsAndPotentialCycles, 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;@cc1e1ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:59:17,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 15:59:17,604 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)] === [2023-05-20 15:59:17,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:17,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1239672288, now seen corresponding path program 1 times [2023-05-20 15:59:17,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:17,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841804370] [2023-05-20 15:59:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:17,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:17,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841804370] [2023-05-20 15:59:17,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841804370] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:17,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:17,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 15:59:17,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811744680] [2023-05-20 15:59:17,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:17,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 15:59:17,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 15:59:17,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 15:59:17,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:17,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:17,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2023-05-20 15:59:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:17,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:17,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 15:59:17,840 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)] === [2023-05-20 15:59:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2110701974, now seen corresponding path program 1 times [2023-05-20 15:59:17,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:17,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676006299] [2023-05-20 15:59:17,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:17,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:18,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:18,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676006299] [2023-05-20 15:59:18,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676006299] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:18,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:18,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 15:59:18,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058582925] [2023-05-20 15:59:18,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:18,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 15:59:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:18,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 15:59:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 15:59:18,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:18,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2023-05-20 15:59:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:18,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 15:59:18,430 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)] === [2023-05-20 15:59:18,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash 227719177, now seen corresponding path program 1 times [2023-05-20 15:59:18,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:18,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369937497] [2023-05-20 15:59:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:18,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:18,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:18,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369937497] [2023-05-20 15:59:18,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369937497] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:18,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:18,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 15:59:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485676402] [2023-05-20 15:59:18,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:18,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 15:59:18,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:18,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 15:59:18,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 15:59:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:18,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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) [2023-05-20 15:59:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:18,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:18,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 15:59:18,785 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)] === [2023-05-20 15:59:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:18,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1031193802, now seen corresponding path program 1 times [2023-05-20 15:59:18,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:18,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189805949] [2023-05-20 15:59:18,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:18,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:18,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:18,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189805949] [2023-05-20 15:59:18,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189805949] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:18,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:18,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 15:59:18,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7851390] [2023-05-20 15:59:18,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:18,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 15:59:18,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:18,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 15:59:18,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 15:59:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:18,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2023-05-20 15:59:18,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:18,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:18,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:18,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:19,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 15:59:19,084 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)] === [2023-05-20 15:59:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1455591990, now seen corresponding path program 2 times [2023-05-20 15:59:19,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:19,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847092380] [2023-05-20 15:59:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:19,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847092380] [2023-05-20 15:59:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847092380] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:19,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:19,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 15:59:19,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392456512] [2023-05-20 15:59:19,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:19,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:59:19,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:19,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:59:19,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 15:59:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:19,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2023-05-20 15:59:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:59:19,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 15:59:19,432 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 15:59:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1463200477, now seen corresponding path program 1 times [2023-05-20 15:59:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:19,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147253712] [2023-05-20 15:59:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:19,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:19,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:19,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147253712] [2023-05-20 15:59:19,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147253712] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:19,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:19,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 15:59:19,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133730113] [2023-05-20 15:59:19,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:19,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 15:59:19,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 15:59:19,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 15:59:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:19,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 15:59:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:59:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:59:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:59:19,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 15:59:19,757 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 15:59:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:59:19,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1999820451, now seen corresponding path program 2 times [2023-05-20 15:59:19,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:59:19,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775528688] [2023-05-20 15:59:19,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:59:19,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:59:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:59:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:59:19,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:59:19,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775528688] [2023-05-20 15:59:19,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775528688] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:59:19,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:59:19,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 15:59:19,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562399709] [2023-05-20 15:59:19,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:59:19,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 15:59:19,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:59:19,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 15:59:19,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 15:59:19,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:59:19,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 15:59:19,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:19,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:19,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:19,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:59:19,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:59:19,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:59:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 15:59:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 15:59:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:59:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:59:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:59:20,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 15:59:20,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 15:59:20,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 15:59:20,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 15:59:20,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 15:59:20,021 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2023-05-20 15:59:20,023 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 15:59:20,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 15:59:20,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 03:59:20 BasicIcfg [2023-05-20 15:59:20,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 15:59:20,025 INFO L158 Benchmark]: Toolchain (without parser) took 3549.42ms. Allocated memory was 194.0MB in the beginning and 291.5MB in the end (delta: 97.5MB). Free memory was 162.0MB in the beginning and 127.4MB in the end (delta: 34.6MB). Peak memory consumption was 131.6MB. Max. memory is 8.0GB. [2023-05-20 15:59:20,026 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 15:59:20,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.20ms. Allocated memory was 194.0MB in the beginning and 291.5MB in the end (delta: 97.5MB). Free memory was 161.7MB in the beginning and 252.3MB in the end (delta: -90.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-20 15:59:20,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.96ms. Allocated memory is still 291.5MB. Free memory was 251.8MB in the beginning and 250.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 15:59:20,026 INFO L158 Benchmark]: Boogie Preprocessor took 24.75ms. Allocated memory is still 291.5MB. Free memory was 250.2MB in the beginning and 248.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 15:59:20,026 INFO L158 Benchmark]: RCFGBuilder took 317.73ms. Allocated memory is still 291.5MB. Free memory was 248.6MB in the beginning and 234.5MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-20 15:59:20,027 INFO L158 Benchmark]: TraceAbstraction took 2785.72ms. Allocated memory is still 291.5MB. Free memory was 233.4MB in the beginning and 127.4MB in the end (delta: 106.1MB). Peak memory consumption was 107.1MB. Max. memory is 8.0GB. [2023-05-20 15:59:20,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 369.20ms. Allocated memory was 194.0MB in the beginning and 291.5MB in the end (delta: 97.5MB). Free memory was 161.7MB in the beginning and 252.3MB in the end (delta: -90.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.96ms. Allocated memory is still 291.5MB. Free memory was 251.8MB in the beginning and 250.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.75ms. Allocated memory is still 291.5MB. Free memory was 250.2MB in the beginning and 248.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 317.73ms. Allocated memory is still 291.5MB. Free memory was 248.6MB in the beginning and 234.5MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2785.72ms. Allocated memory is still 291.5MB. Free memory was 233.4MB in the beginning and 127.4MB in the end (delta: 106.1MB). Peak memory consumption was 107.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13219, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 2463, dependent conditional: 2441, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 731, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1266, independent: 1237, independent conditional: 9, independent unconditional: 1228, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1266, independent: 1220, independent conditional: 0, independent unconditional: 1220, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 68, independent conditional: 17, independent unconditional: 51, dependent: 62, dependent conditional: 16, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11937, independent: 9519, independent conditional: 262, independent unconditional: 9257, dependent: 1152, dependent conditional: 112, dependent unconditional: 1040, unknown: 1266, unknown conditional: 16, unknown unconditional: 1250] , Statistics on independence cache: Total cache size (in pairs): 1266, Positive cache size: 1237, Positive conditional cache size: 9, Positive unconditional cache size: 1228, Negative cache size: 29, Negative conditional cache size: 7, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 612, Maximal queried relation: 5, Independence queries for same thread: 2284 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 419, Number of trivial persistent sets: 206, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1250, independent: 1228, independent conditional: 0, independent unconditional: 1228, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13219, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 2463, dependent conditional: 2441, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 731, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1266, independent: 1237, independent conditional: 9, independent unconditional: 1228, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1266, independent: 1220, independent conditional: 0, independent unconditional: 1220, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 68, independent conditional: 17, independent unconditional: 51, dependent: 62, dependent conditional: 16, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11937, independent: 9519, independent conditional: 262, independent unconditional: 9257, dependent: 1152, dependent conditional: 112, dependent unconditional: 1040, unknown: 1266, unknown conditional: 16, unknown unconditional: 1250] , Statistics on independence cache: Total cache size (in pairs): 1266, Positive cache size: 1237, Positive conditional cache size: 9, Positive unconditional cache size: 1228, Negative cache size: 29, Negative conditional cache size: 7, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 612, Maximal queried relation: 5, Independence queries for same thread: 2284 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.0s, 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: 46, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 15:59:20,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 15:59:20,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...