/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-longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 06:50:04,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 06:50:04,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 06:50:04,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 06:50:04,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 06:50:04,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 06:50:04,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 06:50:04,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 06:50:04,438 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 06:50:04,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 06:50:04,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 06:50:04,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 06:50:04,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 06:50:04,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 06:50:04,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 06:50:04,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 06:50:04,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 06:50:04,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 06:50:04,442 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 06:50:04,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 06:50:04,442 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 06:50:04,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 06:50:04,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:50:04,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 06:50:04,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 06:50:04,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 06:50:04,444 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 06:50:04,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 06:50:04,444 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 06:50:04,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 06:50:04,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 06:50:04,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 06:50:04,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 06:50:04,629 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 06:50:04,630 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 06:50:04,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-1.i [2023-05-20 06:50:04,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6aaafd2/1f9a523544654380b0c0488a1215bb6e/FLAGc80c5584d [2023-05-20 06:50:05,067 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 06:50:05,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i [2023-05-20 06:50:05,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6aaafd2/1f9a523544654380b0c0488a1215bb6e/FLAGc80c5584d [2023-05-20 06:50:05,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6aaafd2/1f9a523544654380b0c0488a1215bb6e [2023-05-20 06:50:05,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 06:50:05,410 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 06:50:05,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 06:50:05,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 06:50:05,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 06:50:05,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29480202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05, skipping insertion in model container [2023-05-20 06:50:05,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 06:50:05,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 06:50:05,677 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-longer-1.i[30961,30974] [2023-05-20 06:50:05,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:50:05,684 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 06:50:05,733 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-longer-1.i[30961,30974] [2023-05-20 06:50:05,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:50:05,755 INFO L208 MainTranslator]: Completed translation [2023-05-20 06:50:05,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05 WrapperNode [2023-05-20 06:50:05,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 06:50:05,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 06:50:05,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 06:50:05,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 06:50:05,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,794 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-05-20 06:50:05,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 06:50:05,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 06:50:05,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 06:50:05,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 06:50:05,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 06:50:05,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 06:50:05,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 06:50:05,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 06:50:05,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (1/1) ... [2023-05-20 06:50:05,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:50:05,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:05,851 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 06:50:05,870 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 06:50:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-20 06:50:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-20 06:50:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-20 06:50:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-20 06:50:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 06:50:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 06:50:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 06:50:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 06:50:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 06:50:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 06:50:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 06:50:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 06:50:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 06:50:05,882 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 06:50:05,978 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 06:50:05,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 06:50:06,086 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 06:50:06,091 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 06:50:06,091 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 06:50:06,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:50:06 BoogieIcfgContainer [2023-05-20 06:50:06,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 06:50:06,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 06:50:06,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 06:50:06,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 06:50:06,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 06:50:05" (1/3) ... [2023-05-20 06:50:06,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5590f9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:50:06, skipping insertion in model container [2023-05-20 06:50:06,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:50:05" (2/3) ... [2023-05-20 06:50:06,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5590f9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:50:06, skipping insertion in model container [2023-05-20 06:50:06,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:50:06" (3/3) ... [2023-05-20 06:50:06,099 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-1.i [2023-05-20 06:50:06,104 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 06:50:06,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 06:50:06,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 06:50:06,112 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 06:50:06,149 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 06:50:06,181 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:50:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 06:50:06,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:06,183 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 06:50:06,184 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 06:50:06,207 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 06:50:06,225 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 06:50:06,229 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;@5d15f4e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:50:06,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 06:50:06,401 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 06:50:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash -872164204, now seen corresponding path program 1 times [2023-05-20 06:50:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:06,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313357284] [2023-05-20 06:50:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:06,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:06,950 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 06:50:06,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:06,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313357284] [2023-05-20 06:50:06,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313357284] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:50:06,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:50:06,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 06:50:06,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751611304] [2023-05-20 06:50:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:50:06,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 06:50:06,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:06,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 06:50:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 06:50:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:06,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:06,991 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 06:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:07,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 06:50:07,128 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 06:50:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:07,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1150318624, now seen corresponding path program 1 times [2023-05-20 06:50:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:07,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517337248] [2023-05-20 06:50:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:07,387 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 06:50:07,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:07,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517337248] [2023-05-20 06:50:07,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517337248] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:07,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006964801] [2023-05-20 06:50:07,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:07,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:07,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:07,389 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 06:50:07,390 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 06:50:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:07,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 06:50:07,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:07,728 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 06:50:07,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:07,983 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 06:50:07,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006964801] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:07,985 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:07,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-05-20 06:50:07,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418112667] [2023-05-20 06:50:07,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:07,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 06:50:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 06:50:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-05-20 06:50:07,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:07,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:07,991 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 06:50:07,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:07,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:08,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 06:50:08,461 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 06:50:08,462 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 06:50:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:08,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1130000788, now seen corresponding path program 2 times [2023-05-20 06:50:08,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:08,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779975553] [2023-05-20 06:50:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:08,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:08,852 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 06:50:08,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:08,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779975553] [2023-05-20 06:50:08,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779975553] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:08,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553026090] [2023-05-20 06:50:08,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 06:50:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:08,861 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 06:50:08,863 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 06:50:08,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 06:50:08,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:08,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 06:50:08,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:09,213 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 06:50:09,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:09,558 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 06:50:09,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553026090] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:09,561 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:09,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2023-05-20 06:50:09,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945545981] [2023-05-20 06:50:09,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:09,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 06:50:09,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:09,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 06:50:09,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2023-05-20 06:50:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:09,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:09,566 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 06:50:09,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:09,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:09,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 06:50:10,082 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 06:50:10,283 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 06:50:10,283 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 06:50:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:10,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1687188204, now seen corresponding path program 3 times [2023-05-20 06:50:10,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:10,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653737290] [2023-05-20 06:50:10,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:11,364 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 06:50:11,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:11,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653737290] [2023-05-20 06:50:11,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653737290] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:11,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324764929] [2023-05-20 06:50:11,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:50:11,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:11,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:11,366 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 06:50:11,390 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 06:50:11,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2023-05-20 06:50:11,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:11,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 06:50:11,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:11,632 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 06:50:11,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 06:50:11,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324764929] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:50:11,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 06:50:11,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2023-05-20 06:50:11,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953223901] [2023-05-20 06:50:11,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:50:11,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 06:50:11,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:11,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 06:50:11,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2023-05-20 06:50:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:11,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:11,634 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 06:50:11,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:11,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:50:11,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 06:50:11,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:12,291 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 06:50:12,489 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 06:50:12,489 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 06:50:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:12,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1714498762, now seen corresponding path program 4 times [2023-05-20 06:50:12,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:12,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109282008] [2023-05-20 06:50:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:12,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:12,657 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 06:50:12,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:12,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109282008] [2023-05-20 06:50:12,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109282008] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:12,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727816851] [2023-05-20 06:50:12,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 06:50:12,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:12,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:12,661 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 06:50:12,665 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 06:50:12,716 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 06:50:12,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:12,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 06:50:12,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:12,795 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 06:50:12,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:12,951 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 06:50:12,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727816851] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:12,955 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:12,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2023-05-20 06:50:12,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218361375] [2023-05-20 06:50:12,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:12,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-20 06:50:12,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:12,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-20 06:50:12,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-05-20 06:50:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:12,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:12,957 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 06:50:12,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:12,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:12,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:12,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:13,653 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 06:50:13,833 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 06:50:13,833 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 06:50:13,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:13,833 INFO L85 PathProgramCache]: Analyzing trace with hash -927142244, now seen corresponding path program 1 times [2023-05-20 06:50:13,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:13,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51407794] [2023-05-20 06:50:13,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:13,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 06:50:14,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:14,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51407794] [2023-05-20 06:50:14,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51407794] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:14,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710866950] [2023-05-20 06:50:14,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:14,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:14,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:14,102 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 06:50:14,113 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 06:50:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:14,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 06:50:14,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 06:50:14,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 06:50:14,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710866950] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:14,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:14,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 36 [2023-05-20 06:50:14,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427813378] [2023-05-20 06:50:14,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:14,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-20 06:50:14,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:14,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-20 06:50:14,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2023-05-20 06:50:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:14,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:14,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.5) internal successors, (234), 36 states have internal predecessors, (234), 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 06:50:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:50:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 06:50:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 06:50:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 06:50:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 06:50:16,970 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 06:50:17,170 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 06:50:17,171 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 06:50:17,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:17,171 INFO L85 PathProgramCache]: Analyzing trace with hash 537310946, now seen corresponding path program 2 times [2023-05-20 06:50:17,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:17,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802303037] [2023-05-20 06:50:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:17,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:17,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802303037] [2023-05-20 06:50:17,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802303037] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:17,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043041705] [2023-05-20 06:50:17,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 06:50:17,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:17,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:17,691 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 06:50:17,724 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 06:50:17,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 06:50:17,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:17,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-20 06:50:17,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:18,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:50:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:50:18,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043041705] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:50:18,524 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:50:18,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 28 [2023-05-20 06:50:18,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754590460] [2023-05-20 06:50:18,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:50:18,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 06:50:18,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:18,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 06:50:18,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2023-05-20 06:50:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:18,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:18,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.0) internal successors, (168), 28 states have internal predecessors, (168), 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 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 06:50:18,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 06:50:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-20 06:50:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:19,760 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 06:50:19,957 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 06:50:19,957 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 06:50:19,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:50:19,958 INFO L85 PathProgramCache]: Analyzing trace with hash 426632020, now seen corresponding path program 3 times [2023-05-20 06:50:19,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:50:19,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736135809] [2023-05-20 06:50:19,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:50:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:50:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:50:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 396 proven. 83 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:50:20,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:50:20,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736135809] [2023-05-20 06:50:20,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736135809] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:50:20,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983787386] [2023-05-20 06:50:20,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:50:20,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:50:20,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:50:20,353 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 06:50:20,364 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 06:50:20,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-20 06:50:20,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:50:20,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 06:50:20,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:50:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:50:20,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 06:50:20,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983787386] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:50:20,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 06:50:20,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 25 [2023-05-20 06:50:20,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508270867] [2023-05-20 06:50:20,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:50:20,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-20 06:50:20,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:50:20,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-20 06:50:20,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2023-05-20 06:50:20,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:20,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:50:20,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.217391304347826) internal successors, (143), 23 states have internal predecessors, (143), 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 06:50:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:50:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 06:50:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 06:50:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 06:50:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-20 06:50:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 06:50:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 06:50:23,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 06:50:23,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 06:50:23,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 06:50:23,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 06:50:23,543 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 06:50:23,551 INFO L444 BasicCegarLoop]: Path program histogram: [4, 3, 1] [2023-05-20 06:50:23,552 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 06:50:23,552 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 06:50:23,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:50:23 BasicIcfg [2023-05-20 06:50:23,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 06:50:23,555 INFO L158 Benchmark]: Toolchain (without parser) took 18144.83ms. Allocated memory was 198.2MB in the beginning and 728.8MB in the end (delta: 530.6MB). Free memory was 171.5MB in the beginning and 502.1MB in the end (delta: -330.5MB). Peak memory consumption was 506.2MB. Max. memory is 8.0GB. [2023-05-20 06:50:23,555 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 06:50:23,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.15ms. Allocated memory is still 198.2MB. Free memory was 171.2MB in the beginning and 161.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-20 06:50:23,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 198.2MB. Free memory was 161.2MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:50:23,555 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 198.2MB. Free memory was 159.2MB in the beginning and 157.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:50:23,556 INFO L158 Benchmark]: RCFGBuilder took 269.61ms. Allocated memory is still 198.2MB. Free memory was 157.6MB in the beginning and 145.3MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-20 06:50:23,556 INFO L158 Benchmark]: TraceAbstraction took 17459.74ms. Allocated memory was 198.2MB in the beginning and 728.8MB in the end (delta: 530.6MB). Free memory was 144.0MB in the beginning and 502.1MB in the end (delta: -358.1MB). Peak memory consumption was 479.5MB. Max. memory is 8.0GB. [2023-05-20 06:50:23,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 345.15ms. Allocated memory is still 198.2MB. Free memory was 171.2MB in the beginning and 161.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 198.2MB. Free memory was 161.2MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 198.2MB. Free memory was 159.2MB in the beginning and 157.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 269.61ms. Allocated memory is still 198.2MB. Free memory was 157.6MB in the beginning and 145.3MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 17459.74ms. Allocated memory was 198.2MB in the beginning and 728.8MB in the end (delta: 530.6MB). Free memory was 144.0MB in the beginning and 502.1MB in the end (delta: -358.1MB). Peak memory consumption was 479.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 654757, independent: 523679, independent conditional: 522585, independent unconditional: 1094, dependent: 131078, dependent conditional: 131071, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528523, independent: 523679, independent conditional: 522585, independent unconditional: 1094, dependent: 4844, dependent conditional: 4837, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 528523, independent: 523679, independent conditional: 522585, independent unconditional: 1094, dependent: 4844, dependent conditional: 4837, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590683, independent: 523679, independent conditional: 20405, independent unconditional: 503274, dependent: 67004, dependent conditional: 41755, dependent unconditional: 25249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 590683, independent: 523679, independent conditional: 20405, independent unconditional: 503274, dependent: 67004, dependent conditional: 18054, dependent unconditional: 48950, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 590683, independent: 523679, independent conditional: 20405, independent unconditional: 503274, dependent: 67004, dependent conditional: 18054, dependent unconditional: 48950, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1344, independent: 1079, independent conditional: 113, independent unconditional: 966, dependent: 265, dependent conditional: 258, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1344, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 379, dependent conditional: 0, dependent unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 379, independent: 114, independent conditional: 113, independent unconditional: 1, dependent: 265, dependent conditional: 258, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 379, independent: 114, independent conditional: 113, independent unconditional: 1, dependent: 265, dependent conditional: 258, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 498, independent: 191, independent conditional: 135, independent unconditional: 56, dependent: 307, dependent conditional: 270, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 590683, independent: 522600, independent conditional: 20292, independent unconditional: 502308, dependent: 66739, dependent conditional: 17796, dependent unconditional: 48943, unknown: 1344, unknown conditional: 371, unknown unconditional: 973] , Statistics on independence cache: Total cache size (in pairs): 1344, Positive cache size: 1079, Positive conditional cache size: 113, Positive unconditional cache size: 966, Negative cache size: 265, Negative conditional cache size: 258, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23701, Maximal queried relation: 8, Independence queries for same thread: 126234 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 424, 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: 654757, independent: 523679, independent conditional: 522585, independent unconditional: 1094, dependent: 131078, dependent conditional: 131071, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528523, independent: 523679, independent conditional: 522585, independent unconditional: 1094, dependent: 4844, dependent conditional: 4837, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 528523, independent: 523679, independent conditional: 522585, independent unconditional: 1094, dependent: 4844, dependent conditional: 4837, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590683, independent: 523679, independent conditional: 20405, independent unconditional: 503274, dependent: 67004, dependent conditional: 41755, dependent unconditional: 25249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 590683, independent: 523679, independent conditional: 20405, independent unconditional: 503274, dependent: 67004, dependent conditional: 18054, dependent unconditional: 48950, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 590683, independent: 523679, independent conditional: 20405, independent unconditional: 503274, dependent: 67004, dependent conditional: 18054, dependent unconditional: 48950, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1344, independent: 1079, independent conditional: 113, independent unconditional: 966, dependent: 265, dependent conditional: 258, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1344, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 379, dependent conditional: 0, dependent unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 379, independent: 114, independent conditional: 113, independent unconditional: 1, dependent: 265, dependent conditional: 258, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 379, independent: 114, independent conditional: 113, independent unconditional: 1, dependent: 265, dependent conditional: 258, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 498, independent: 191, independent conditional: 135, independent unconditional: 56, dependent: 307, dependent conditional: 270, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 590683, independent: 522600, independent conditional: 20292, independent unconditional: 502308, dependent: 66739, dependent conditional: 17796, dependent unconditional: 48943, unknown: 1344, unknown conditional: 371, unknown unconditional: 973] , Statistics on independence cache: Total cache size (in pairs): 1344, Positive cache size: 1079, Positive conditional cache size: 113, Positive unconditional cache size: 966, Negative cache size: 265, Negative conditional cache size: 258, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23701, Maximal queried relation: 8, Independence queries for same thread: 126234 - 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: 17.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 8.7s, 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: 299, 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, 0.4s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1724 NumberOfCodeBlocks, 1717 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 2206 ConstructedInterpolants, 0 QuantifiedInterpolants, 8838 SizeOfPredicates, 118 NumberOfNonLiveVariables, 1753 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 3410/6627 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 06:50:23,581 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 06:50:23,792 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...