/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 06:50:26,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 06:50:26,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 06:50:26,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 06:50:26,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 06:50:26,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 06:50:26,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 06:50:26,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 06:50:26,500 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 06:50:26,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 06:50:26,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 06:50:26,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 06:50:26,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 06:50:26,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 06:50:26,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 06:50:26,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 06:50:26,502 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 06:50:26,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 06:50:26,502 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 06:50:26,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 06:50:26,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:50:26,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 06:50:26,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 06:50:26,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 06:50:26,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 06:50:26,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 06:50:26,505 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 06:50:26,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 06:50:26,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 06:50:26,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 06:50:26,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 06:50:26,714 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 06:50:26,715 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 06:50:26,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longest-1.i [2023-05-20 06:50:26,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675e1d4b1/006e28334db34b5f9126ecee03ed3b89/FLAGb0eb2b010 [2023-05-20 06:50:27,173 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 06:50:27,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i [2023-05-20 06:50:27,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675e1d4b1/006e28334db34b5f9126ecee03ed3b89/FLAGb0eb2b010 [2023-05-20 06:50:27,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675e1d4b1/006e28334db34b5f9126ecee03ed3b89 [2023-05-20 06:50:27,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 06:50:27,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 06:50:27,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 06:50:27,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 06:50:27,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 06:50:27,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b762ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27, skipping insertion in model container [2023-05-20 06:50:27,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 06:50:27,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 06:50:27,476 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/triangular-longest-1.i[30962,30975] [2023-05-20 06:50:27,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:50:27,483 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 06:50:27,524 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/triangular-longest-1.i[30962,30975] [2023-05-20 06:50:27,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:50:27,552 INFO L208 MainTranslator]: Completed translation [2023-05-20 06:50:27,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27 WrapperNode [2023-05-20 06:50:27,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 06:50:27,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 06:50:27,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 06:50:27,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 06:50:27,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,610 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-05-20 06:50:27,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 06:50:27,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 06:50:27,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 06:50:27,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 06:50:27,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 06:50:27,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 06:50:27,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 06:50:27,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 06:50:27,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (1/1) ... [2023-05-20 06:50:27,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:50:27,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:27,678 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 06:50:27,708 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 06:50:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-20 06:50:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-20 06:50:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-20 06:50:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 06:50:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 06:50:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 06:50:27,728 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 06:50:27,870 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 06:50:27,871 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 06:50:27,957 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 06:50:27,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 06:50:27,961 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 06:50:27,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:50:27 BoogieIcfgContainer [2023-05-20 06:50:27,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 06:50:27,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 06:50:27,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 06:50:27,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 06:50:27,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 06:50:27" (1/3) ... [2023-05-20 06:50:27,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3d8fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:50:27, skipping insertion in model container [2023-05-20 06:50:27,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:27" (2/3) ... [2023-05-20 06:50:27,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3d8fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:50:27, skipping insertion in model container [2023-05-20 06:50:27,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:50:27" (3/3) ... [2023-05-20 06:50:27,977 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2023-05-20 06:50:27,982 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 06:50:27,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 06:50:27,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 06:50:27,992 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 06:50:28,055 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 06:50:28,099 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:50:28,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 06:50:28,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:28,101 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 06:50:28,103 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 06:50:28,132 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 06:50:28,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 06:50:28,150 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;@44231d9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:50:28,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 06:50:28,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:28,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:28,289 INFO L85 PathProgramCache]: Analyzing trace with hash -872164204, now seen corresponding path program 1 times [2023-05-20 06:50:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:28,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306750908] [2023-05-20 06:50:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:28,755 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 06:50:28,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:28,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306750908] [2023-05-20 06:50:28,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306750908] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:50:28,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:50:28,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 06:50:28,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096281866] [2023-05-20 06:50:28,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:50:28,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 06:50:28,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:28,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 06:50:28,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 06:50:28,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:28,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:28,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 06:50:28,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:28,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 06:50:28,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:28,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:28,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1150318624, now seen corresponding path program 1 times [2023-05-20 06:50:28,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:28,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658082698] [2023-05-20 06:50:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:28,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:50:29,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:29,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658082698] [2023-05-20 06:50:29,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658082698] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:29,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12710018] [2023-05-20 06:50:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:29,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:29,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:29,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:29,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 06:50:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:29,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 06:50:29,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:50:29,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:50:29,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12710018] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:29,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:29,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-05-20 06:50:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145431976] [2023-05-20 06:50:29,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:29,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 06:50:29,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:29,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 06:50:29,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-05-20 06:50:29,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:29,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:29,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 14 states have internal predecessors, (113), 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 06:50:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:29,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:30,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-20 06:50:30,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:30,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:30,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1130000788, now seen corresponding path program 2 times [2023-05-20 06:50:30,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:30,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792848260] [2023-05-20 06:50:30,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:30,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 06:50:30,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:30,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792848260] [2023-05-20 06:50:30,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792848260] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:30,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24941993] [2023-05-20 06:50:30,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 06:50:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:30,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:30,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:30,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 06:50:30,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 06:50:30,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:30,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 06:50:30,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 06:50:30,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 06:50:31,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24941993] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:31,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:31,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2023-05-20 06:50:31,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861517280] [2023-05-20 06:50:31,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:31,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 06:50:31,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:31,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 06:50:31,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2023-05-20 06:50:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:31,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:31,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.615384615384615) internal successors, (198), 26 states have internal predecessors, (198), 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 06:50:31,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:31,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:31,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 06:50:31,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:31,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:31,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:31,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1687188204, now seen corresponding path program 3 times [2023-05-20 06:50:31,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:31,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529762154] [2023-05-20 06:50:31,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 1198 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:32,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529762154] [2023-05-20 06:50:32,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529762154] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535202706] [2023-05-20 06:50:32,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:50:32,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:32,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:32,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:32,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 06:50:33,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2023-05-20 06:50:33,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:33,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 06:50:33,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 1275 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:33,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 06:50:33,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535202706] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:50:33,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 06:50:33,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2023-05-20 06:50:33,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652206663] [2023-05-20 06:50:33,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:50:33,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 06:50:33,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:33,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 06:50:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2023-05-20 06:50:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:33,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:33,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.511627906976744) internal successors, (194), 43 states have internal predecessors, (194), 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 06:50:33,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:33,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:33,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 06:50:33,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 06:50:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:33,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:34,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:34,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:34,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:34,149 INFO L85 PathProgramCache]: Analyzing trace with hash -518554474, now seen corresponding path program 1 times [2023-05-20 06:50:34,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:34,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589091843] [2023-05-20 06:50:34,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:34,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 06:50:34,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:34,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589091843] [2023-05-20 06:50:34,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589091843] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:34,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989077254] [2023-05-20 06:50:34,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:34,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:34,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:34,729 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:34,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 06:50:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:34,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-20 06:50:34,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 06:50:35,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 06:50:36,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989077254] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:36,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:36,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 50 [2023-05-20 06:50:36,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067648420] [2023-05-20 06:50:36,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:36,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-20 06:50:36,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:36,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-20 06:50:36,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2023-05-20 06:50:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:36,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:36,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.28) internal successors, (364), 50 states have internal predecessors, (364), 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 06:50:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 06:50:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:38,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:38,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:38,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:38,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:38,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1714498762, now seen corresponding path program 4 times [2023-05-20 06:50:38,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:38,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129444515] [2023-05-20 06:50:38,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:38,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 06:50:38,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:38,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129444515] [2023-05-20 06:50:38,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129444515] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:38,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574110821] [2023-05-20 06:50:38,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 06:50:38,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:38,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:38,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:38,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 06:50:38,525 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 06:50:38,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:38,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 06:50:38,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 06:50:38,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 06:50:38,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574110821] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:38,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:38,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2023-05-20 06:50:38,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872323222] [2023-05-20 06:50:38,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:38,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-20 06:50:38,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:38,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-20 06:50:38,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-05-20 06:50:38,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:38,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:38,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 20 states have internal predecessors, (140), 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 06:50:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:39,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:39,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:39,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:39,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:40,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:40,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1413189834, now seen corresponding path program 5 times [2023-05-20 06:50:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:40,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960128925] [2023-05-20 06:50:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 06:50:40,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:40,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960128925] [2023-05-20 06:50:40,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960128925] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:40,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365391908] [2023-05-20 06:50:40,259 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 06:50:40,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:40,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:40,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:40,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 06:50:40,328 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-20 06:50:40,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:40,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 06:50:40,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 06:50:40,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 06:50:40,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365391908] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:40,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:40,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 36 [2023-05-20 06:50:40,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993373338] [2023-05-20 06:50:40,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:40,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-20 06:50:40,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-20 06:50:40,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2023-05-20 06:50:40,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:40,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:40,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.0) internal successors, (252), 36 states have internal predecessors, (252), 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 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:40,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 06:50:42,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:43,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:43,057 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:43,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1115186730, now seen corresponding path program 2 times [2023-05-20 06:50:43,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:43,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502399184] [2023-05-20 06:50:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:43,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 06:50:43,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:43,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502399184] [2023-05-20 06:50:43,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502399184] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:43,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005184575] [2023-05-20 06:50:43,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 06:50:43,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:43,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:43,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:43,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 06:50:43,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 06:50:43,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:43,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-20 06:50:43,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 06:50:44,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 06:50:44,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005184575] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:44,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:44,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 68 [2023-05-20 06:50:44,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11901422] [2023-05-20 06:50:44,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:44,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-05-20 06:50:44,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:44,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-05-20 06:50:44,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=3519, Unknown=0, NotChecked=0, Total=4556 [2023-05-20 06:50:44,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:44,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:44,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.029411764705882) internal successors, (410), 68 states have internal predecessors, (410), 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 06:50:44,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:44,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:44,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:44,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:44,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:44,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:44,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 06:50:44,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-20 06:50:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-20 06:50:52,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-20 06:50:52,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-20 06:50:52,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:50:52,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2115439384, now seen corresponding path program 3 times [2023-05-20 06:50:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:52,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562170841] [2023-05-20 06:50:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:54,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:54,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562170841] [2023-05-20 06:50:54,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562170841] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:54,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271352020] [2023-05-20 06:50:54,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:50:54,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:54,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:50:54,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 06:50:54,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2023-05-20 06:50:54,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:54,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 47 conjunts are in the unsatisfiable core [2023-05-20 06:50:54,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:54,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:55,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271352020] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:55,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:55,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 48 [2023-05-20 06:50:55,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328008634] [2023-05-20 06:50:55,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:55,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 06:50:55,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 06:50:55,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=518, Invalid=1738, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 06:50:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:55,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:55,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.583333333333333) internal successors, (268), 48 states have internal predecessors, (268), 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 06:50:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:50:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:50:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-05-20 06:50:55,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:55,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-20 06:50:55,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-20 06:50:55,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-20 06:51:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-20 06:51:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 06:51:00,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 06:51:00,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:51:00,220 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:51:00,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:51:00,221 INFO L85 PathProgramCache]: Analyzing trace with hash 307192074, now seen corresponding path program 4 times [2023-05-20 06:51:00,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:51:00,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017437788] [2023-05-20 06:51:00,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:51:00,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:51:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:51:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 1786 proven. 173 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:51:01,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:51:01,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017437788] [2023-05-20 06:51:01,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017437788] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:51:01,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131800181] [2023-05-20 06:51:01,190 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 06:51:01,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:51:01,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:51:01,192 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:51:01,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 06:51:01,274 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 06:51:01,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:51:01,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 06:51:01,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:51:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 1959 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:51:01,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 06:51:01,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131800181] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:51:01,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 06:51:01,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2023-05-20 06:51:01,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270256049] [2023-05-20 06:51:01,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:51:01,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 06:51:01,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:51:01,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 06:51:01,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2023-05-20 06:51:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:51:01,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:51:01,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.651162790697675) internal successors, (243), 43 states have internal predecessors, (243), 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 06:51:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:51:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:51:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:51:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:51:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-05-20 06:51:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:51:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-20 06:51:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-20 06:51:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-05-20 06:51:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-20 06:51:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 06:51:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 06:51:33,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 06:51:33,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 06:51:33,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 06:51:33,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 06:51:33,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 06:51:33,778 INFO L444 BasicCegarLoop]: Path program histogram: [5, 4, 1] [2023-05-20 06:51:33,784 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 06:51:33,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 06:51:33,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:51:33 BasicIcfg [2023-05-20 06:51:33,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 06:51:33,788 INFO L158 Benchmark]: Toolchain (without parser) took 66582.18ms. Allocated memory was 213.9MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 158.7MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-05-20 06:51:33,789 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory was 176.7MB in the beginning and 176.7MB in the end (delta: 68.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 06:51:33,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.57ms. Allocated memory is still 213.9MB. Free memory was 158.5MB in the beginning and 178.4MB in the end (delta: -19.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2023-05-20 06:51:33,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.34ms. Allocated memory is still 213.9MB. Free memory was 178.4MB in the beginning and 176.6MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 06:51:33,790 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 213.9MB. Free memory was 176.6MB in the beginning and 175.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:51:33,790 INFO L158 Benchmark]: RCFGBuilder took 320.82ms. Allocated memory is still 213.9MB. Free memory was 175.0MB in the beginning and 162.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-20 06:51:33,791 INFO L158 Benchmark]: TraceAbstraction took 65823.42ms. Allocated memory was 213.9MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 161.1MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-05-20 06:51:33,794 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 213.9MB. Free memory was 176.7MB in the beginning and 176.7MB in the end (delta: 68.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 345.57ms. Allocated memory is still 213.9MB. Free memory was 158.5MB in the beginning and 178.4MB in the end (delta: -19.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.34ms. Allocated memory is still 213.9MB. Free memory was 178.4MB in the beginning and 176.6MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.37ms. Allocated memory is still 213.9MB. Free memory was 176.6MB in the beginning and 175.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 320.82ms. Allocated memory is still 213.9MB. Free memory was 175.0MB in the beginning and 162.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 65823.42ms. Allocated memory was 213.9MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 161.1MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5479251, independent: 4310729, independent conditional: 4309635, independent unconditional: 1094, dependent: 1168522, dependent conditional: 1168515, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4356328, independent: 4310729, independent conditional: 4309635, independent unconditional: 1094, dependent: 45599, dependent conditional: 45592, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4356328, independent: 4310729, independent conditional: 4309635, independent unconditional: 1094, dependent: 45599, dependent conditional: 45592, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4978913, independent: 4310729, independent conditional: 184651, independent unconditional: 4126078, dependent: 668184, dependent conditional: 437934, dependent unconditional: 230250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4978913, independent: 4310729, independent conditional: 184651, independent unconditional: 4126078, dependent: 668184, dependent conditional: 205495, dependent unconditional: 462689, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4978913, independent: 4310729, independent conditional: 184651, independent unconditional: 4126078, dependent: 668184, dependent conditional: 205495, dependent unconditional: 462689, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1821, independent: 1223, independent conditional: 257, independent unconditional: 966, dependent: 598, dependent conditional: 591, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1821, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 856, dependent conditional: 0, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 856, independent: 258, independent conditional: 257, independent unconditional: 1, dependent: 598, dependent conditional: 591, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 856, independent: 258, independent conditional: 257, independent unconditional: 1, dependent: 598, dependent conditional: 591, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, independent: 357, independent conditional: 313, independent unconditional: 44, dependent: 674, dependent conditional: 657, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4978913, independent: 4309506, independent conditional: 184394, independent unconditional: 4125112, dependent: 667586, dependent conditional: 204904, dependent unconditional: 462682, unknown: 1821, unknown conditional: 848, unknown unconditional: 973] , Statistics on independence cache: Total cache size (in pairs): 1821, Positive cache size: 1223, Positive conditional cache size: 257, Positive unconditional cache size: 966, Negative cache size: 598, Negative conditional cache size: 591, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 232439, Maximal queried relation: 10, Independence queries for same thread: 1122923 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 425, Number of trivial persistent sets: 212, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1101, independent: 1094, independent conditional: 0, independent unconditional: 1094, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5479251, independent: 4310729, independent conditional: 4309635, independent unconditional: 1094, dependent: 1168522, dependent conditional: 1168515, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4356328, independent: 4310729, independent conditional: 4309635, independent unconditional: 1094, dependent: 45599, dependent conditional: 45592, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4356328, independent: 4310729, independent conditional: 4309635, independent unconditional: 1094, dependent: 45599, dependent conditional: 45592, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4978913, independent: 4310729, independent conditional: 184651, independent unconditional: 4126078, dependent: 668184, dependent conditional: 437934, dependent unconditional: 230250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4978913, independent: 4310729, independent conditional: 184651, independent unconditional: 4126078, dependent: 668184, dependent conditional: 205495, dependent unconditional: 462689, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4978913, independent: 4310729, independent conditional: 184651, independent unconditional: 4126078, dependent: 668184, dependent conditional: 205495, dependent unconditional: 462689, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1821, independent: 1223, independent conditional: 257, independent unconditional: 966, dependent: 598, dependent conditional: 591, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1821, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 856, dependent conditional: 0, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 856, independent: 258, independent conditional: 257, independent unconditional: 1, dependent: 598, dependent conditional: 591, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 856, independent: 258, independent conditional: 257, independent unconditional: 1, dependent: 598, dependent conditional: 591, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, independent: 357, independent conditional: 313, independent unconditional: 44, dependent: 674, dependent conditional: 657, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4978913, independent: 4309506, independent conditional: 184394, independent unconditional: 4125112, dependent: 667586, dependent conditional: 204904, dependent unconditional: 462682, unknown: 1821, unknown conditional: 848, unknown unconditional: 973] , Statistics on independence cache: Total cache size (in pairs): 1821, Positive cache size: 1223, Positive conditional cache size: 257, Positive unconditional cache size: 966, Negative cache size: 598, Negative conditional cache size: 591, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 232439, Maximal queried relation: 10, Independence queries for same thread: 1122923 - PositiveResult [Line: 722]: 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 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 65.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 50.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 624, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 2960 NumberOfCodeBlocks, 2960 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 3954 ConstructedInterpolants, 0 QuantifiedInterpolants, 17104 SizeOfPredicates, 211 NumberOfNonLiveVariables, 2873 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 26 InterpolantComputations, 3 PerfectInterpolantSequences, 6382/22286 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 06:51:33,841 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 06:51:34,028 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...